138663980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1249}}^1$

素因数の和:1339

約数の個数: 96

約数和(自身を含む): 364560000

約数和(自身を除く): 225896020

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 61, 65, 70, 91, 122, 130, 140, 182, 244, 260, 305, 364, 427, 455, 610, 793, 854, 910, 1220, 1249, 1586, 1708, 1820, 2135, 2498, 3172, 3965, 4270, 4996, 5551, 6245, 7930, 8540, 8743, 11102, 12490, 15860, 16237, 17486, 22204, 24980, 27755, 32474, 34972, 43715, 55510, 64948, 76189, 81185, 87430, 111020, 113659, 152378, 162370, 174860, 227318, 304756, 324740, 380945, 454636, 533323, 568295, 761890, 990457, 1066646, 1136590, 1523780, 1980914, 2133292, 2273180, 2666615, 3961828, 4952285, 5333230, 6933199, 9904570, 10666460, 13866398, 19809140, 27732796, 34665995, 69331990, 138663980]

約数ペア:

[(1, 138663980), (2, 69331990), (4, 34665995), (5, 27732796), (7, 19809140), (10, 13866398), (13, 10666460), (14, 9904570), (20, 6933199), (26, 5333230), (28, 4952285), (35, 3961828), (52, 2666615), (61, 2273180), (65, 2133292), (70, 1980914), (91, 1523780), (122, 1136590), (130, 1066646), (140, 990457), (182, 761890), (244, 568295), (260, 533323), (305, 454636), (364, 380945), (427, 324740), (455, 304756), (610, 227318), (793, 174860), (854, 162370), (910, 152378), (1220, 113659), (1249, 111020), (1586, 87430), (1708, 81185), (1820, 76189), (2135, 64948), (2498, 55510), (3172, 43715), (3965, 34972), (4270, 32474), (4996, 27755), (5551, 24980), (6245, 22204), (7930, 17486), (8540, 16237), (8743, 15860), (11102, 12490)]