171911740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:348

約数の個数: 192

約数和(自身を含む): 502161408

約数和(自身を除く): 330249668

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 31, 35, 44, 52, 55, 62, 65, 70, 77, 91, 110, 124, 130, 140, 143, 154, 155, 182, 217, 220, 260, 277, 286, 308, 310, 341, 364, 385, 403, 434, 455, 554, 572, 620, 682, 715, 770, 806, 868, 910, 1001, 1085, 1108, 1364, 1385, 1430, 1540, 1612, 1705, 1820, 1939, 2002, 2015, 2170, 2387, 2770, 2821, 2860, 3047, 3410, 3601, 3878, 4004, 4030, 4340, 4433, 4774, 5005, 5540, 5642, 6094, 6820, 7202, 7756, 8060, 8587, 8866, 9548, 9695, 10010, 11284, 11935, 12188, 14105, 14404, 15235, 17174, 17732, 18005, 19390, 20020, 21329, 22165, 23870, 25207, 28210, 30470, 31031, 34348, 36010, 38780, 39611, 42658, 42935, 44330, 47740, 50414, 56420, 60109, 60940, 62062, 72020, 79222, 85316, 85870, 88660, 94457, 100828, 106645, 111631, 120218, 124124, 126035, 155155, 158444, 171740, 188914, 198055, 213290, 223262, 240436, 252070, 277277, 300545, 310310, 377828, 396110, 426580, 446524, 472285, 504140, 554554, 558155, 601090, 620620, 661199, 781417, 792220, 944570, 1109108, 1116310, 1202180, 1227941, 1322398, 1386385, 1562834, 1889140, 2232620, 2455882, 2644796, 2772770, 3125668, 3305995, 3907085, 4911764, 5545540, 6139705, 6611990, 7814170, 8595587, 12279410, 13223980, 15628340, 17191174, 24558820, 34382348, 42977935, 85955870, 171911740]

約数ペア:

[(1, 171911740), (2, 85955870), (4, 42977935), (5, 34382348), (7, 24558820), (10, 17191174), (11, 15628340), (13, 13223980), (14, 12279410), (20, 8595587), (22, 7814170), (26, 6611990), (28, 6139705), (31, 5545540), (35, 4911764), (44, 3907085), (52, 3305995), (55, 3125668), (62, 2772770), (65, 2644796), (70, 2455882), (77, 2232620), (91, 1889140), (110, 1562834), (124, 1386385), (130, 1322398), (140, 1227941), (143, 1202180), (154, 1116310), (155, 1109108), (182, 944570), (217, 792220), (220, 781417), (260, 661199), (277, 620620), (286, 601090), (308, 558155), (310, 554554), (341, 504140), (364, 472285), (385, 446524), (403, 426580), (434, 396110), (455, 377828), (554, 310310), (572, 300545), (620, 277277), (682, 252070), (715, 240436), (770, 223262), (806, 213290), (868, 198055), (910, 188914), (1001, 171740), (1085, 158444), (1108, 155155), (1364, 126035), (1385, 124124), (1430, 120218), (1540, 111631), (1612, 106645), (1705, 100828), (1820, 94457), (1939, 88660), (2002, 85870), (2015, 85316), (2170, 79222), (2387, 72020), (2770, 62062), (2821, 60940), (2860, 60109), (3047, 56420), (3410, 50414), (3601, 47740), (3878, 44330), (4004, 42935), (4030, 42658), (4340, 39611), (4433, 38780), (4774, 36010), (5005, 34348), (5540, 31031), (5642, 30470), (6094, 28210), (6820, 25207), (7202, 23870), (7756, 22165), (8060, 21329), (8587, 20020), (8866, 19390), (9548, 18005), (9695, 17732), (10010, 17174), (11284, 15235), (11935, 14404), (12188, 14105)]