38905160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:211

約数の個数: 128

約数和(自身を含む): 107827200

約数和(自身を除く): 68922040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 71, 76, 95, 103, 133, 140, 142, 152, 190, 206, 266, 280, 284, 355, 380, 412, 497, 515, 532, 568, 665, 710, 721, 760, 824, 994, 1030, 1064, 1330, 1349, 1420, 1442, 1957, 1988, 2060, 2485, 2660, 2698, 2840, 2884, 3605, 3914, 3976, 4120, 4970, 5320, 5396, 5768, 6745, 7210, 7313, 7828, 9443, 9785, 9940, 10792, 13490, 13699, 14420, 14626, 15656, 18886, 19570, 19880, 26980, 27398, 28840, 29252, 36565, 37772, 39140, 47215, 51191, 53960, 54796, 58504, 68495, 73130, 75544, 78280, 94430, 102382, 109592, 136990, 138947, 146260, 188860, 204764, 255955, 273980, 277894, 292520, 377720, 409528, 511910, 547960, 555788, 694735, 972629, 1023820, 1111576, 1389470, 1945258, 2047640, 2778940, 3890516, 4863145, 5557880, 7781032, 9726290, 19452580, 38905160]

約数ペア:

[(1, 38905160), (2, 19452580), (4, 9726290), (5, 7781032), (7, 5557880), (8, 4863145), (10, 3890516), (14, 2778940), (19, 2047640), (20, 1945258), (28, 1389470), (35, 1111576), (38, 1023820), (40, 972629), (56, 694735), (70, 555788), (71, 547960), (76, 511910), (95, 409528), (103, 377720), (133, 292520), (140, 277894), (142, 273980), (152, 255955), (190, 204764), (206, 188860), (266, 146260), (280, 138947), (284, 136990), (355, 109592), (380, 102382), (412, 94430), (497, 78280), (515, 75544), (532, 73130), (568, 68495), (665, 58504), (710, 54796), (721, 53960), (760, 51191), (824, 47215), (994, 39140), (1030, 37772), (1064, 36565), (1330, 29252), (1349, 28840), (1420, 27398), (1442, 26980), (1957, 19880), (1988, 19570), (2060, 18886), (2485, 15656), (2660, 14626), (2698, 14420), (2840, 13699), (2884, 13490), (3605, 10792), (3914, 9940), (3976, 9785), (4120, 9443), (4970, 7828), (5320, 7313), (5396, 7210), (5768, 6745)]