407549940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:342

約数の個数: 192

約数和(自身を含む): 1347010560

約数和(自身を除く): 939460620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 79, 84, 105, 140, 142, 158, 173, 210, 213, 237, 284, 316, 346, 355, 395, 420, 426, 474, 497, 519, 553, 692, 710, 790, 852, 865, 948, 994, 1038, 1065, 1106, 1185, 1211, 1420, 1491, 1580, 1659, 1730, 1988, 2076, 2130, 2212, 2370, 2422, 2485, 2595, 2765, 2982, 3318, 3460, 3633, 4260, 4740, 4844, 4970, 5190, 5530, 5609, 5964, 6055, 6636, 7266, 7455, 8295, 9940, 10380, 11060, 11218, 12110, 12283, 13667, 14532, 14910, 16590, 16827, 18165, 22436, 24220, 24566, 27334, 28045, 29820, 33180, 33654, 36330, 36849, 39263, 41001, 49132, 54668, 56090, 61415, 67308, 68335, 72660, 73698, 78526, 82002, 84135, 85981, 95669, 112180, 117789, 122830, 136670, 147396, 157052, 164004, 168270, 171962, 184245, 191338, 196315, 205005, 235578, 245660, 257943, 273340, 287007, 336540, 343924, 368490, 382676, 392630, 410010, 429905, 471156, 478345, 515886, 574014, 588945, 736980, 785260, 820020, 859810, 956690, 970357, 1031772, 1148028, 1177890, 1289715, 1435035, 1719620, 1913380, 1940714, 2355780, 2579430, 2870070, 2911071, 3881428, 4851785, 5158860, 5740140, 5822142, 6792499, 9703570, 11644284, 13584998, 14555355, 19407140, 20377497, 27169996, 29110710, 33962495, 40754994, 58221420, 67924990, 81509988, 101887485, 135849980, 203774970, 407549940]

約数ペア:

[(1, 407549940), (2, 203774970), (3, 135849980), (4, 101887485), (5, 81509988), (6, 67924990), (7, 58221420), (10, 40754994), (12, 33962495), (14, 29110710), (15, 27169996), (20, 20377497), (21, 19407140), (28, 14555355), (30, 13584998), (35, 11644284), (42, 9703570), (60, 6792499), (70, 5822142), (71, 5740140), (79, 5158860), (84, 4851785), (105, 3881428), (140, 2911071), (142, 2870070), (158, 2579430), (173, 2355780), (210, 1940714), (213, 1913380), (237, 1719620), (284, 1435035), (316, 1289715), (346, 1177890), (355, 1148028), (395, 1031772), (420, 970357), (426, 956690), (474, 859810), (497, 820020), (519, 785260), (553, 736980), (692, 588945), (710, 574014), (790, 515886), (852, 478345), (865, 471156), (948, 429905), (994, 410010), (1038, 392630), (1065, 382676), (1106, 368490), (1185, 343924), (1211, 336540), (1420, 287007), (1491, 273340), (1580, 257943), (1659, 245660), (1730, 235578), (1988, 205005), (2076, 196315), (2130, 191338), (2212, 184245), (2370, 171962), (2422, 168270), (2485, 164004), (2595, 157052), (2765, 147396), (2982, 136670), (3318, 122830), (3460, 117789), (3633, 112180), (4260, 95669), (4740, 85981), (4844, 84135), (4970, 82002), (5190, 78526), (5530, 73698), (5609, 72660), (5964, 68335), (6055, 67308), (6636, 61415), (7266, 56090), (7455, 54668), (8295, 49132), (9940, 41001), (10380, 39263), (11060, 36849), (11218, 36330), (12110, 33654), (12283, 33180), (13667, 29820), (14532, 28045), (14910, 27334), (16590, 24566), (16827, 24220), (18165, 22436)]