217271460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1433}}^1$

素因数の和:1490

約数の個数: 144

約数和(自身を含む): 734299776

約数和(自身を除く): 517028316

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 361, 380, 399, 420, 532, 570, 665, 722, 798, 1083, 1140, 1330, 1433, 1444, 1596, 1805, 1995, 2166, 2527, 2660, 2866, 3610, 3990, 4299, 4332, 5054, 5415, 5732, 7165, 7220, 7581, 7980, 8598, 10031, 10108, 10830, 12635, 14330, 15162, 17196, 20062, 21495, 21660, 25270, 27227, 28660, 30093, 30324, 37905, 40124, 42990, 50155, 50540, 54454, 60186, 75810, 81681, 85980, 100310, 108908, 120372, 136135, 150465, 151620, 163362, 190589, 200620, 272270, 300930, 326724, 381178, 408405, 517313, 544540, 571767, 601860, 762356, 816810, 952945, 1034626, 1143534, 1551939, 1633620, 1905890, 2069252, 2287068, 2586565, 2858835, 3103878, 3621191, 3811780, 5173130, 5717670, 6207756, 7242382, 7759695, 10346260, 10863573, 11435340, 14484764, 15519390, 18105955, 21727146, 31038780, 36211910, 43454292, 54317865, 72423820, 108635730, 217271460]

約数ペア:

[(1, 217271460), (2, 108635730), (3, 72423820), (4, 54317865), (5, 43454292), (6, 36211910), (7, 31038780), (10, 21727146), (12, 18105955), (14, 15519390), (15, 14484764), (19, 11435340), (20, 10863573), (21, 10346260), (28, 7759695), (30, 7242382), (35, 6207756), (38, 5717670), (42, 5173130), (57, 3811780), (60, 3621191), (70, 3103878), (76, 2858835), (84, 2586565), (95, 2287068), (105, 2069252), (114, 1905890), (133, 1633620), (140, 1551939), (190, 1143534), (210, 1034626), (228, 952945), (266, 816810), (285, 762356), (361, 601860), (380, 571767), (399, 544540), (420, 517313), (532, 408405), (570, 381178), (665, 326724), (722, 300930), (798, 272270), (1083, 200620), (1140, 190589), (1330, 163362), (1433, 151620), (1444, 150465), (1596, 136135), (1805, 120372), (1995, 108908), (2166, 100310), (2527, 85980), (2660, 81681), (2866, 75810), (3610, 60186), (3990, 54454), (4299, 50540), (4332, 50155), (5054, 42990), (5415, 40124), (5732, 37905), (7165, 30324), (7220, 30093), (7581, 28660), (7980, 27227), (8598, 25270), (10031, 21660), (10108, 21495), (10830, 20062), (12635, 17196), (14330, 15162)]