547721020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:225

約数の個数: 216

約数和(自身を含む): 1528329600

約数和(自身を除く): 980608580

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 49, 55, 62, 70, 77, 98, 110, 121, 124, 140, 149, 154, 155, 196, 217, 220, 242, 245, 298, 308, 310, 341, 385, 434, 484, 490, 539, 596, 605, 620, 682, 745, 770, 847, 868, 980, 1043, 1078, 1085, 1210, 1364, 1490, 1519, 1540, 1639, 1694, 1705, 2086, 2156, 2170, 2387, 2420, 2695, 2980, 3038, 3278, 3388, 3410, 3751, 4172, 4235, 4340, 4619, 4774, 5215, 5390, 5929, 6076, 6556, 6820, 7301, 7502, 7595, 8195, 8470, 9238, 9548, 10430, 10780, 11473, 11858, 11935, 14602, 15004, 15190, 16390, 16709, 16940, 18029, 18476, 18755, 20860, 22946, 23095, 23716, 23870, 26257, 29204, 29645, 30380, 32333, 32780, 33418, 36058, 36505, 37510, 45892, 46190, 47740, 50809, 52514, 57365, 59290, 64666, 66836, 72116, 73010, 75020, 80311, 83545, 90145, 92380, 101618, 105028, 114730, 118580, 126203, 129332, 131285, 146020, 160622, 161665, 167090, 180290, 183799, 203236, 226331, 229460, 252406, 254045, 262570, 321244, 323330, 334180, 355663, 360580, 367598, 401555, 452662, 504812, 508090, 525140, 558899, 631015, 646660, 711326, 735196, 803110, 883421, 905324, 918995, 1016180, 1117798, 1131655, 1262030, 1422652, 1606220, 1766842, 1778315, 1837990, 2235596, 2263310, 2489641, 2524060, 2794495, 3533684, 3556630, 3675980, 3912293, 4417105, 4526620, 4979282, 5588990, 7113260, 7824586, 8834210, 9958564, 11177980, 12448205, 15649172, 17668420, 19561465, 24896410, 27386051, 39122930, 49792820, 54772102, 78245860, 109544204, 136930255, 273860510, 547721020]

約数ペア:

[(1, 547721020), (2, 273860510), (4, 136930255), (5, 109544204), (7, 78245860), (10, 54772102), (11, 49792820), (14, 39122930), (20, 27386051), (22, 24896410), (28, 19561465), (31, 17668420), (35, 15649172), (44, 12448205), (49, 11177980), (55, 9958564), (62, 8834210), (70, 7824586), (77, 7113260), (98, 5588990), (110, 4979282), (121, 4526620), (124, 4417105), (140, 3912293), (149, 3675980), (154, 3556630), (155, 3533684), (196, 2794495), (217, 2524060), (220, 2489641), (242, 2263310), (245, 2235596), (298, 1837990), (308, 1778315), (310, 1766842), (341, 1606220), (385, 1422652), (434, 1262030), (484, 1131655), (490, 1117798), (539, 1016180), (596, 918995), (605, 905324), (620, 883421), (682, 803110), (745, 735196), (770, 711326), (847, 646660), (868, 631015), (980, 558899), (1043, 525140), (1078, 508090), (1085, 504812), (1210, 452662), (1364, 401555), (1490, 367598), (1519, 360580), (1540, 355663), (1639, 334180), (1694, 323330), (1705, 321244), (2086, 262570), (2156, 254045), (2170, 252406), (2387, 229460), (2420, 226331), (2695, 203236), (2980, 183799), (3038, 180290), (3278, 167090), (3388, 161665), (3410, 160622), (3751, 146020), (4172, 131285), (4235, 129332), (4340, 126203), (4619, 118580), (4774, 114730), (5215, 105028), (5390, 101618), (5929, 92380), (6076, 90145), (6556, 83545), (6820, 80311), (7301, 75020), (7502, 73010), (7595, 72116), (8195, 66836), (8470, 64666), (9238, 59290), (9548, 57365), (10430, 52514), (10780, 50809), (11473, 47740), (11858, 46190), (11935, 45892), (14602, 37510), (15004, 36505), (15190, 36058), (16390, 33418), (16709, 32780), (16940, 32333), (18029, 30380), (18476, 29645), (18755, 29204), (20860, 26257), (22946, 23870), (23095, 23716)]