1219340980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:890

約数の個数: 192

約数和(自身を含む): 3292047360

約数和(自身を除く): 2072706380

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 31, 34, 44, 52, 55, 62, 65, 68, 85, 110, 124, 130, 143, 155, 170, 187, 220, 221, 260, 286, 310, 340, 341, 374, 403, 442, 527, 572, 620, 682, 715, 748, 806, 809, 884, 935, 1054, 1105, 1364, 1430, 1612, 1618, 1705, 1870, 2015, 2108, 2210, 2431, 2635, 2860, 3236, 3410, 3740, 4030, 4045, 4420, 4433, 4862, 5270, 5797, 6820, 6851, 8060, 8090, 8866, 8899, 9724, 10517, 10540, 11594, 12155, 13702, 13753, 16180, 17732, 17798, 21034, 22165, 23188, 24310, 25079, 27404, 27506, 28985, 34255, 35596, 42068, 44330, 44495, 48620, 50158, 52585, 55012, 57970, 68510, 68765, 75361, 88660, 88990, 100316, 105170, 115687, 115940, 125395, 137020, 137530, 150722, 151283, 177980, 178789, 210340, 231374, 250790, 275060, 275869, 301444, 302566, 326027, 357578, 376805, 426343, 462748, 501580, 551738, 578435, 605132, 652054, 715156, 753610, 756415, 852686, 893945, 1103476, 1156870, 1304108, 1379345, 1507220, 1512830, 1630135, 1705372, 1787890, 1966679, 2131715, 2313740, 2758690, 3025660, 3260270, 3575780, 3586297, 3933358, 4263430, 4689773, 5517380, 5542459, 6520540, 7172594, 7866716, 8526860, 9379546, 9833395, 11084918, 14345188, 17931485, 18759092, 19666790, 22169836, 23448865, 27712295, 35862970, 39333580, 46897730, 55424590, 60967049, 71725940, 93795460, 110849180, 121934098, 243868196, 304835245, 609670490, 1219340980]

約数ペア:

[(1, 1219340980), (2, 609670490), (4, 304835245), (5, 243868196), (10, 121934098), (11, 110849180), (13, 93795460), (17, 71725940), (20, 60967049), (22, 55424590), (26, 46897730), (31, 39333580), (34, 35862970), (44, 27712295), (52, 23448865), (55, 22169836), (62, 19666790), (65, 18759092), (68, 17931485), (85, 14345188), (110, 11084918), (124, 9833395), (130, 9379546), (143, 8526860), (155, 7866716), (170, 7172594), (187, 6520540), (220, 5542459), (221, 5517380), (260, 4689773), (286, 4263430), (310, 3933358), (340, 3586297), (341, 3575780), (374, 3260270), (403, 3025660), (442, 2758690), (527, 2313740), (572, 2131715), (620, 1966679), (682, 1787890), (715, 1705372), (748, 1630135), (806, 1512830), (809, 1507220), (884, 1379345), (935, 1304108), (1054, 1156870), (1105, 1103476), (1364, 893945), (1430, 852686), (1612, 756415), (1618, 753610), (1705, 715156), (1870, 652054), (2015, 605132), (2108, 578435), (2210, 551738), (2431, 501580), (2635, 462748), (2860, 426343), (3236, 376805), (3410, 357578), (3740, 326027), (4030, 302566), (4045, 301444), (4420, 275869), (4433, 275060), (4862, 250790), (5270, 231374), (5797, 210340), (6820, 178789), (6851, 177980), (8060, 151283), (8090, 150722), (8866, 137530), (8899, 137020), (9724, 125395), (10517, 115940), (10540, 115687), (11594, 105170), (12155, 100316), (13702, 88990), (13753, 88660), (16180, 75361), (17732, 68765), (17798, 68510), (21034, 57970), (22165, 55012), (23188, 52585), (24310, 50158), (25079, 48620), (27404, 44495), (27506, 44330), (28985, 42068), (34255, 35596)]