348577138520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{646423}}^1$

素因数の和:646525

約数の個数: 128

約数和(自身を含む): 908975571840

約数和(自身を除く): 560398433320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 61, 65, 68, 85, 104, 122, 130, 136, 170, 221, 244, 260, 305, 340, 442, 488, 520, 610, 680, 793, 884, 1037, 1105, 1220, 1586, 1768, 2074, 2210, 2440, 3172, 3965, 4148, 4420, 5185, 6344, 7930, 8296, 8840, 10370, 13481, 15860, 20740, 26962, 31720, 41480, 53924, 67405, 107848, 134810, 269620, 539240, 646423, 1292846, 2585692, 3232115, 5171384, 6464230, 8403499, 10989191, 12928460, 16806998, 21978382, 25856920, 33613996, 39431803, 42017495, 43956764, 54945955, 67227992, 78863606, 84034990, 87913528, 109891910, 142859483, 157727212, 168069980, 197159015, 219783820, 285718966, 315454424, 336139960, 394318030, 439567640, 512613439, 571437932, 670340651, 714297415, 788636060, 1025226878, 1142875864, 1340681302, 1428594830, 1577272120, 2050453756, 2563067195, 2681362604, 2857189660, 3351703255, 4100907512, 5126134390, 5362725208, 5714379320, 6703406510, 8714428463, 10252268780, 13406813020, 17428856926, 20504537560, 26813626040, 34857713852, 43572142315, 69715427704, 87144284630, 174288569260, 348577138520]

約数ペア:

[(1, 348577138520), (2, 174288569260), (4, 87144284630), (5, 69715427704), (8, 43572142315), (10, 34857713852), (13, 26813626040), (17, 20504537560), (20, 17428856926), (26, 13406813020), (34, 10252268780), (40, 8714428463), (52, 6703406510), (61, 5714379320), (65, 5362725208), (68, 5126134390), (85, 4100907512), (104, 3351703255), (122, 2857189660), (130, 2681362604), (136, 2563067195), (170, 2050453756), (221, 1577272120), (244, 1428594830), (260, 1340681302), (305, 1142875864), (340, 1025226878), (442, 788636060), (488, 714297415), (520, 670340651), (610, 571437932), (680, 512613439), (793, 439567640), (884, 394318030), (1037, 336139960), (1105, 315454424), (1220, 285718966), (1586, 219783820), (1768, 197159015), (2074, 168069980), (2210, 157727212), (2440, 142859483), (3172, 109891910), (3965, 87913528), (4148, 84034990), (4420, 78863606), (5185, 67227992), (6344, 54945955), (7930, 43956764), (8296, 42017495), (8840, 39431803), (10370, 33613996), (13481, 25856920), (15860, 21978382), (20740, 16806998), (26962, 12928460), (31720, 10989191), (41480, 8403499), (53924, 6464230), (67405, 5171384), (107848, 3232115), (134810, 2585692), (269620, 1292846), (539240, 646423)]