287958580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:314

約数の個数: 192

約数和(自身を含む): 810819072

約数和(自身を除く): 522860492

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 41, 52, 65, 68, 70, 82, 85, 91, 119, 130, 140, 164, 170, 182, 205, 221, 227, 238, 260, 287, 340, 364, 410, 442, 454, 455, 476, 533, 574, 595, 697, 820, 884, 908, 910, 1066, 1105, 1135, 1148, 1190, 1394, 1435, 1547, 1589, 1820, 2132, 2210, 2270, 2380, 2665, 2788, 2870, 2951, 3094, 3178, 3485, 3731, 3859, 4420, 4540, 4879, 5330, 5740, 5902, 6188, 6356, 6970, 7462, 7718, 7735, 7945, 9061, 9307, 9758, 10660, 11804, 13940, 14755, 14924, 15436, 15470, 15890, 18122, 18614, 18655, 19295, 19516, 20657, 24395, 27013, 29510, 30940, 31780, 36244, 37228, 37310, 38590, 41314, 45305, 46535, 48790, 50167, 54026, 59020, 63427, 65149, 74620, 77180, 82628, 90610, 93070, 97580, 100334, 103285, 108052, 120991, 126854, 130298, 135065, 158219, 181220, 186140, 200668, 206570, 241982, 250835, 253708, 260596, 270130, 316438, 317135, 325745, 351169, 413140, 483964, 501670, 540260, 604955, 632876, 634270, 651490, 702338, 791095, 846937, 1003340, 1107533, 1209910, 1268540, 1302980, 1404676, 1582190, 1693874, 1755845, 2056847, 2215066, 2419820, 3164380, 3387748, 3511690, 4113694, 4234685, 4430132, 5537665, 7023380, 8227388, 8469370, 10284235, 11075330, 14397929, 16938740, 20568470, 22150660, 28795858, 41136940, 57591716, 71989645, 143979290, 287958580]

約数ペア:

[(1, 287958580), (2, 143979290), (4, 71989645), (5, 57591716), (7, 41136940), (10, 28795858), (13, 22150660), (14, 20568470), (17, 16938740), (20, 14397929), (26, 11075330), (28, 10284235), (34, 8469370), (35, 8227388), (41, 7023380), (52, 5537665), (65, 4430132), (68, 4234685), (70, 4113694), (82, 3511690), (85, 3387748), (91, 3164380), (119, 2419820), (130, 2215066), (140, 2056847), (164, 1755845), (170, 1693874), (182, 1582190), (205, 1404676), (221, 1302980), (227, 1268540), (238, 1209910), (260, 1107533), (287, 1003340), (340, 846937), (364, 791095), (410, 702338), (442, 651490), (454, 634270), (455, 632876), (476, 604955), (533, 540260), (574, 501670), (595, 483964), (697, 413140), (820, 351169), (884, 325745), (908, 317135), (910, 316438), (1066, 270130), (1105, 260596), (1135, 253708), (1148, 250835), (1190, 241982), (1394, 206570), (1435, 200668), (1547, 186140), (1589, 181220), (1820, 158219), (2132, 135065), (2210, 130298), (2270, 126854), (2380, 120991), (2665, 108052), (2788, 103285), (2870, 100334), (2951, 97580), (3094, 93070), (3178, 90610), (3485, 82628), (3731, 77180), (3859, 74620), (4420, 65149), (4540, 63427), (4879, 59020), (5330, 54026), (5740, 50167), (5902, 48790), (6188, 46535), (6356, 45305), (6970, 41314), (7462, 38590), (7718, 37310), (7735, 37228), (7945, 36244), (9061, 31780), (9307, 30940), (9758, 29510), (10660, 27013), (11804, 24395), (13940, 20657), (14755, 19516), (14924, 19295), (15436, 18655), (15470, 18614), (15890, 18122)]