178395940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:269

約数の個数: 96

約数和(自身を含む): 410256000

約数和(自身を除く): 231860060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 73, 76, 95, 109, 118, 146, 190, 218, 236, 292, 295, 365, 380, 436, 545, 590, 730, 1090, 1121, 1180, 1387, 1460, 2071, 2180, 2242, 2774, 4142, 4307, 4484, 5548, 5605, 6431, 6935, 7957, 8284, 8614, 10355, 11210, 12862, 13870, 15914, 17228, 20710, 21535, 22420, 25724, 27740, 31828, 32155, 39785, 41420, 43070, 64310, 79570, 81833, 86140, 122189, 128620, 151183, 159140, 163666, 244378, 302366, 327332, 409165, 469463, 488756, 604732, 610945, 755915, 818330, 938926, 1221890, 1511830, 1636660, 1877852, 2347315, 2443780, 3023660, 4694630, 8919797, 9389260, 17839594, 35679188, 44598985, 89197970, 178395940]

約数ペア:

[(1, 178395940), (2, 89197970), (4, 44598985), (5, 35679188), (10, 17839594), (19, 9389260), (20, 8919797), (38, 4694630), (59, 3023660), (73, 2443780), (76, 2347315), (95, 1877852), (109, 1636660), (118, 1511830), (146, 1221890), (190, 938926), (218, 818330), (236, 755915), (292, 610945), (295, 604732), (365, 488756), (380, 469463), (436, 409165), (545, 327332), (590, 302366), (730, 244378), (1090, 163666), (1121, 159140), (1180, 151183), (1387, 128620), (1460, 122189), (2071, 86140), (2180, 81833), (2242, 79570), (2774, 64310), (4142, 43070), (4307, 41420), (4484, 39785), (5548, 32155), (5605, 31828), (6431, 27740), (6935, 25724), (7957, 22420), (8284, 21535), (8614, 20710), (10355, 17228), (11210, 15914), (12862, 13870)]