131853940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 303980544

約数和(自身を除く): 172126604

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 61, 74, 92, 115, 122, 127, 148, 185, 230, 244, 254, 305, 370, 460, 508, 610, 635, 740, 851, 1220, 1270, 1403, 1702, 2257, 2540, 2806, 2921, 3404, 4255, 4514, 4699, 5612, 5842, 7015, 7747, 8510, 9028, 9398, 11285, 11684, 14030, 14605, 15494, 17020, 18796, 22570, 23495, 28060, 29210, 30988, 38735, 45140, 46990, 51911, 58420, 77470, 93980, 103822, 108077, 154940, 178181, 207644, 216154, 259555, 286639, 356362, 432308, 519110, 540385, 573278, 712724, 890905, 1038220, 1080770, 1146556, 1433195, 1781810, 2161540, 2866390, 3563620, 5732780, 6592697, 13185394, 26370788, 32963485, 65926970, 131853940]

約数ペア:

[(1, 131853940), (2, 65926970), (4, 32963485), (5, 26370788), (10, 13185394), (20, 6592697), (23, 5732780), (37, 3563620), (46, 2866390), (61, 2161540), (74, 1781810), (92, 1433195), (115, 1146556), (122, 1080770), (127, 1038220), (148, 890905), (185, 712724), (230, 573278), (244, 540385), (254, 519110), (305, 432308), (370, 356362), (460, 286639), (508, 259555), (610, 216154), (635, 207644), (740, 178181), (851, 154940), (1220, 108077), (1270, 103822), (1403, 93980), (1702, 77470), (2257, 58420), (2540, 51911), (2806, 46990), (2921, 45140), (3404, 38735), (4255, 30988), (4514, 29210), (4699, 28060), (5612, 23495), (5842, 22570), (7015, 18796), (7747, 17020), (8510, 15494), (9028, 14605), (9398, 14030), (11285, 11684)]