1690431820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:368

約数の個数: 192

約数和(自身を含む): 4572288000

約数和(自身を除く): 2881856180

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 53, 55, 70, 77, 106, 110, 139, 140, 149, 154, 212, 220, 265, 278, 298, 308, 371, 385, 530, 556, 583, 596, 695, 742, 745, 770, 973, 1043, 1060, 1166, 1390, 1484, 1490, 1529, 1540, 1639, 1855, 1946, 2086, 2332, 2780, 2915, 2980, 3058, 3278, 3710, 3892, 4081, 4172, 4865, 5215, 5830, 6116, 6556, 7367, 7420, 7645, 7897, 8162, 8195, 9730, 10430, 10703, 11473, 11660, 14734, 15290, 15794, 16324, 16390, 19460, 20405, 20711, 20860, 21406, 22946, 29468, 30580, 31588, 32780, 36835, 39485, 40810, 41422, 42812, 45892, 51569, 53515, 55279, 57365, 73670, 78970, 81037, 81620, 82844, 86867, 103138, 103555, 107030, 110558, 114730, 144977, 147340, 157940, 162074, 173734, 206276, 207110, 214060, 221116, 227821, 229460, 257845, 276395, 289954, 324148, 347468, 405185, 414220, 434335, 455642, 515690, 552790, 567259, 579908, 608069, 724885, 810370, 868670, 911284, 1031380, 1097683, 1105580, 1134518, 1139105, 1216138, 1449770, 1594747, 1620740, 1737340, 2195366, 2269036, 2278210, 2432276, 2836295, 2899540, 3040345, 3189494, 4390732, 4556420, 5488415, 5672590, 6080690, 6378988, 7683781, 7973735, 10976830, 11345180, 12074513, 12161380, 15367562, 15947470, 21953660, 24149026, 30735124, 31894940, 38418905, 48298052, 60372565, 76837810, 84521591, 120745130, 153675620, 169043182, 241490260, 338086364, 422607955, 845215910, 1690431820]

約数ペア:

[(1, 1690431820), (2, 845215910), (4, 422607955), (5, 338086364), (7, 241490260), (10, 169043182), (11, 153675620), (14, 120745130), (20, 84521591), (22, 76837810), (28, 60372565), (35, 48298052), (44, 38418905), (53, 31894940), (55, 30735124), (70, 24149026), (77, 21953660), (106, 15947470), (110, 15367562), (139, 12161380), (140, 12074513), (149, 11345180), (154, 10976830), (212, 7973735), (220, 7683781), (265, 6378988), (278, 6080690), (298, 5672590), (308, 5488415), (371, 4556420), (385, 4390732), (530, 3189494), (556, 3040345), (583, 2899540), (596, 2836295), (695, 2432276), (742, 2278210), (745, 2269036), (770, 2195366), (973, 1737340), (1043, 1620740), (1060, 1594747), (1166, 1449770), (1390, 1216138), (1484, 1139105), (1490, 1134518), (1529, 1105580), (1540, 1097683), (1639, 1031380), (1855, 911284), (1946, 868670), (2086, 810370), (2332, 724885), (2780, 608069), (2915, 579908), (2980, 567259), (3058, 552790), (3278, 515690), (3710, 455642), (3892, 434335), (4081, 414220), (4172, 405185), (4865, 347468), (5215, 324148), (5830, 289954), (6116, 276395), (6556, 257845), (7367, 229460), (7420, 227821), (7645, 221116), (7897, 214060), (8162, 207110), (8195, 206276), (9730, 173734), (10430, 162074), (10703, 157940), (11473, 147340), (11660, 144977), (14734, 114730), (15290, 110558), (15794, 107030), (16324, 103555), (16390, 103138), (19460, 86867), (20405, 82844), (20711, 81620), (20860, 81037), (21406, 78970), (22946, 73670), (29468, 57365), (30580, 55279), (31588, 53515), (32780, 51569), (36835, 45892), (39485, 42812), (40810, 41422)]