155517700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:302

約数の個数: 144

約数和(自身を含む): 398974464

約数和(自身を除く): 243456764

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 31, 34, 50, 52, 62, 65, 68, 85, 100, 124, 130, 155, 170, 221, 227, 260, 310, 325, 340, 403, 425, 442, 454, 527, 620, 650, 775, 806, 850, 884, 908, 1054, 1105, 1135, 1300, 1550, 1612, 1700, 2015, 2108, 2210, 2270, 2635, 2951, 3100, 3859, 4030, 4420, 4540, 5270, 5525, 5675, 5902, 6851, 7037, 7718, 8060, 10075, 10540, 11050, 11350, 11804, 13175, 13702, 14074, 14755, 15436, 19295, 20150, 22100, 22700, 26350, 27404, 28148, 29510, 34255, 35185, 38590, 40300, 50167, 52700, 59020, 68510, 70370, 73775, 77180, 91481, 96475, 100334, 119629, 137020, 140740, 147550, 171275, 175925, 182962, 192950, 200668, 239258, 250835, 295100, 342550, 351850, 365924, 385900, 457405, 478516, 501670, 598145, 685100, 703700, 914810, 1003340, 1196290, 1254175, 1555177, 1829620, 2287025, 2392580, 2508350, 2990725, 3110354, 4574050, 5016700, 5981450, 6220708, 7775885, 9148100, 11962900, 15551770, 31103540, 38879425, 77758850, 155517700]

約数ペア:

[(1, 155517700), (2, 77758850), (4, 38879425), (5, 31103540), (10, 15551770), (13, 11962900), (17, 9148100), (20, 7775885), (25, 6220708), (26, 5981450), (31, 5016700), (34, 4574050), (50, 3110354), (52, 2990725), (62, 2508350), (65, 2392580), (68, 2287025), (85, 1829620), (100, 1555177), (124, 1254175), (130, 1196290), (155, 1003340), (170, 914810), (221, 703700), (227, 685100), (260, 598145), (310, 501670), (325, 478516), (340, 457405), (403, 385900), (425, 365924), (442, 351850), (454, 342550), (527, 295100), (620, 250835), (650, 239258), (775, 200668), (806, 192950), (850, 182962), (884, 175925), (908, 171275), (1054, 147550), (1105, 140740), (1135, 137020), (1300, 119629), (1550, 100334), (1612, 96475), (1700, 91481), (2015, 77180), (2108, 73775), (2210, 70370), (2270, 68510), (2635, 59020), (2951, 52700), (3100, 50167), (3859, 40300), (4030, 38590), (4420, 35185), (4540, 34255), (5270, 29510), (5525, 28148), (5675, 27404), (5902, 26350), (6851, 22700), (7037, 22100), (7718, 20150), (8060, 19295), (10075, 15436), (10540, 14755), (11050, 14074), (11350, 13702), (11804, 13175)]