69899290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 139098240

約数和(自身を除く): 69198950

約数列:

[1, 2, 5, 10, 19, 37, 38, 61, 74, 95, 122, 163, 185, 190, 305, 326, 370, 610, 703, 815, 1159, 1406, 1630, 2257, 2318, 3097, 3515, 4514, 5795, 6031, 6194, 7030, 9943, 11285, 11590, 12062, 15485, 19886, 22570, 30155, 30970, 42883, 49715, 60310, 85766, 99430, 114589, 188917, 214415, 229178, 367891, 377834, 428830, 572945, 735782, 944585, 1145890, 1839455, 1889170, 3678910, 6989929, 13979858, 34949645, 69899290]

約数ペア:

[(1, 69899290), (2, 34949645), (5, 13979858), (10, 6989929), (19, 3678910), (37, 1889170), (38, 1839455), (61, 1145890), (74, 944585), (95, 735782), (122, 572945), (163, 428830), (185, 377834), (190, 367891), (305, 229178), (326, 214415), (370, 188917), (610, 114589), (703, 99430), (815, 85766), (1159, 60310), (1406, 49715), (1630, 42883), (2257, 30970), (2318, 30155), (3097, 22570), (3515, 19886), (4514, 15485), (5795, 12062), (6031, 11590), (6194, 11285), (7030, 9943)]