222218360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1489}}^1$

素因数の和:1561

約数の個数: 128

約数和(自身を含む): 630806400

約数和(自身を除く): 408588040

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 82, 91, 104, 130, 140, 164, 182, 205, 260, 280, 287, 328, 364, 410, 455, 520, 533, 574, 728, 820, 910, 1066, 1148, 1435, 1489, 1640, 1820, 2132, 2296, 2665, 2870, 2978, 3640, 3731, 4264, 5330, 5740, 5956, 7445, 7462, 10423, 10660, 11480, 11912, 14890, 14924, 18655, 19357, 20846, 21320, 29780, 29848, 37310, 38714, 41692, 52115, 59560, 61049, 74620, 77428, 83384, 96785, 104230, 122098, 135499, 149240, 154856, 193570, 208460, 244196, 270998, 305245, 387140, 416920, 427343, 488392, 541996, 610490, 677495, 774280, 793637, 854686, 1083992, 1220980, 1354990, 1587274, 1709372, 2136715, 2441960, 2709980, 3174548, 3418744, 3968185, 4273430, 5419960, 5555459, 6349096, 7936370, 8546860, 11110918, 15872740, 17093720, 22221836, 27777295, 31745480, 44443672, 55554590, 111109180, 222218360]

約数ペア:

[(1, 222218360), (2, 111109180), (4, 55554590), (5, 44443672), (7, 31745480), (8, 27777295), (10, 22221836), (13, 17093720), (14, 15872740), (20, 11110918), (26, 8546860), (28, 7936370), (35, 6349096), (40, 5555459), (41, 5419960), (52, 4273430), (56, 3968185), (65, 3418744), (70, 3174548), (82, 2709980), (91, 2441960), (104, 2136715), (130, 1709372), (140, 1587274), (164, 1354990), (182, 1220980), (205, 1083992), (260, 854686), (280, 793637), (287, 774280), (328, 677495), (364, 610490), (410, 541996), (455, 488392), (520, 427343), (533, 416920), (574, 387140), (728, 305245), (820, 270998), (910, 244196), (1066, 208460), (1148, 193570), (1435, 154856), (1489, 149240), (1640, 135499), (1820, 122098), (2132, 104230), (2296, 96785), (2665, 83384), (2870, 77428), (2978, 74620), (3640, 61049), (3731, 59560), (4264, 52115), (5330, 41692), (5740, 38714), (5956, 37310), (7445, 29848), (7462, 29780), (10423, 21320), (10660, 20846), (11480, 19357), (11912, 18655), (14890, 14924)]