138869480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 337413600

約数和(自身を除く): 198544120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 163, 190, 236, 295, 326, 361, 380, 472, 590, 652, 722, 760, 815, 1121, 1180, 1304, 1444, 1630, 1805, 2242, 2360, 2888, 3097, 3260, 3610, 4484, 5605, 6194, 6520, 7220, 8968, 9617, 11210, 12388, 14440, 15485, 19234, 21299, 22420, 24776, 30970, 38468, 42598, 44840, 48085, 58843, 61940, 76936, 85196, 96170, 106495, 117686, 123880, 170392, 182723, 192340, 212990, 235372, 294215, 365446, 384680, 425980, 470744, 588430, 730892, 851960, 913615, 1176860, 1461784, 1827230, 2353720, 3471737, 3654460, 6943474, 7308920, 13886948, 17358685, 27773896, 34717370, 69434740, 138869480]

約数ペア:

[(1, 138869480), (2, 69434740), (4, 34717370), (5, 27773896), (8, 17358685), (10, 13886948), (19, 7308920), (20, 6943474), (38, 3654460), (40, 3471737), (59, 2353720), (76, 1827230), (95, 1461784), (118, 1176860), (152, 913615), (163, 851960), (190, 730892), (236, 588430), (295, 470744), (326, 425980), (361, 384680), (380, 365446), (472, 294215), (590, 235372), (652, 212990), (722, 192340), (760, 182723), (815, 170392), (1121, 123880), (1180, 117686), (1304, 106495), (1444, 96170), (1630, 85196), (1805, 76936), (2242, 61940), (2360, 58843), (2888, 48085), (3097, 44840), (3260, 42598), (3610, 38468), (4484, 30970), (5605, 24776), (6194, 22420), (6520, 21299), (7220, 19234), (8968, 15485), (9617, 14440), (11210, 12388)]