173617780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 452466000

約数和(自身を除く): 278848220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 41, 49, 58, 70, 82, 98, 116, 140, 145, 149, 164, 196, 203, 205, 245, 287, 290, 298, 406, 410, 490, 574, 580, 596, 745, 812, 820, 980, 1015, 1043, 1148, 1189, 1421, 1435, 1490, 2009, 2030, 2086, 2378, 2842, 2870, 2980, 4018, 4060, 4172, 4321, 4756, 5215, 5684, 5740, 5945, 6109, 7105, 7301, 8036, 8323, 8642, 10045, 10430, 11890, 12218, 14210, 14602, 16646, 17284, 20090, 20860, 21605, 23780, 24436, 28420, 29204, 30247, 30545, 33292, 36505, 40180, 41615, 42763, 43210, 58261, 60494, 61090, 73010, 83230, 85526, 86420, 116522, 120988, 122180, 146020, 151235, 166460, 171052, 177161, 211729, 213815, 233044, 291305, 299341, 302470, 354322, 423458, 427630, 582610, 598682, 604940, 708644, 846916, 855260, 885805, 1058645, 1165220, 1197364, 1240127, 1496705, 1771610, 2117290, 2480254, 2993410, 3543220, 4234580, 4960508, 5986820, 6200635, 8680889, 12401270, 17361778, 24802540, 34723556, 43404445, 86808890, 173617780]

約数ペア:

[(1, 173617780), (2, 86808890), (4, 43404445), (5, 34723556), (7, 24802540), (10, 17361778), (14, 12401270), (20, 8680889), (28, 6200635), (29, 5986820), (35, 4960508), (41, 4234580), (49, 3543220), (58, 2993410), (70, 2480254), (82, 2117290), (98, 1771610), (116, 1496705), (140, 1240127), (145, 1197364), (149, 1165220), (164, 1058645), (196, 885805), (203, 855260), (205, 846916), (245, 708644), (287, 604940), (290, 598682), (298, 582610), (406, 427630), (410, 423458), (490, 354322), (574, 302470), (580, 299341), (596, 291305), (745, 233044), (812, 213815), (820, 211729), (980, 177161), (1015, 171052), (1043, 166460), (1148, 151235), (1189, 146020), (1421, 122180), (1435, 120988), (1490, 116522), (2009, 86420), (2030, 85526), (2086, 83230), (2378, 73010), (2842, 61090), (2870, 60494), (2980, 58261), (4018, 43210), (4060, 42763), (4172, 41615), (4321, 40180), (4756, 36505), (5215, 33292), (5684, 30545), (5740, 30247), (5945, 29204), (6109, 28420), (7105, 24436), (7301, 23780), (8036, 21605), (8323, 20860), (8642, 20090), (10045, 17284), (10430, 16646), (11890, 14602), (12218, 14210)]