201728930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{733}}^1$

素因数の和:855

約数の個数: 64

約数和(自身を含む): 410628960

約数和(自身を除く): 208900030

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 73, 130, 145, 146, 290, 365, 377, 730, 733, 754, 949, 1466, 1885, 1898, 2117, 3665, 3770, 4234, 4745, 7330, 9490, 9529, 10585, 19058, 21170, 21257, 27521, 42514, 47645, 53509, 55042, 95290, 106285, 107018, 137605, 212570, 267545, 275210, 276341, 535090, 552682, 695617, 1381705, 1391234, 1551761, 2763410, 3103522, 3478085, 6956170, 7758805, 15517610, 20172893, 40345786, 100864465, 201728930]

約数ペア:

[(1, 201728930), (2, 100864465), (5, 40345786), (10, 20172893), (13, 15517610), (26, 7758805), (29, 6956170), (58, 3478085), (65, 3103522), (73, 2763410), (130, 1551761), (145, 1391234), (146, 1381705), (290, 695617), (365, 552682), (377, 535090), (730, 276341), (733, 275210), (754, 267545), (949, 212570), (1466, 137605), (1885, 107018), (1898, 106285), (2117, 95290), (3665, 55042), (3770, 53509), (4234, 47645), (4745, 42514), (7330, 27521), (9490, 21257), (9529, 21170), (10585, 19058)]