1685461180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:623

約数の個数: 96

約数和(自身を含む): 3877272000

約数和(自身を除く): 2191810820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 149, 260, 278, 298, 313, 556, 596, 626, 695, 745, 1252, 1390, 1490, 1565, 1807, 1937, 2780, 2980, 3130, 3614, 3874, 4069, 6260, 7228, 7748, 8138, 9035, 9685, 16276, 18070, 19370, 20345, 20711, 36140, 38740, 40690, 41422, 43507, 46637, 81380, 82844, 87014, 93274, 103555, 174028, 186548, 207110, 217535, 233185, 269243, 414220, 435070, 466370, 538486, 565591, 606281, 870140, 932740, 1076972, 1131182, 1212562, 1346215, 2262364, 2425124, 2692430, 2827955, 3031405, 5384860, 5655910, 6062810, 6482543, 11311820, 12125620, 12965086, 25930172, 32412715, 64825430, 84273059, 129650860, 168546118, 337092236, 421365295, 842730590, 1685461180]

約数ペア:

[(1, 1685461180), (2, 842730590), (4, 421365295), (5, 337092236), (10, 168546118), (13, 129650860), (20, 84273059), (26, 64825430), (52, 32412715), (65, 25930172), (130, 12965086), (139, 12125620), (149, 11311820), (260, 6482543), (278, 6062810), (298, 5655910), (313, 5384860), (556, 3031405), (596, 2827955), (626, 2692430), (695, 2425124), (745, 2262364), (1252, 1346215), (1390, 1212562), (1490, 1131182), (1565, 1076972), (1807, 932740), (1937, 870140), (2780, 606281), (2980, 565591), (3130, 538486), (3614, 466370), (3874, 435070), (4069, 414220), (6260, 269243), (7228, 233185), (7748, 217535), (8138, 207110), (9035, 186548), (9685, 174028), (16276, 103555), (18070, 93274), (19370, 87014), (20345, 82844), (20711, 81380), (36140, 46637), (38740, 43507), (40690, 41422)]