256937100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4219}}^1$

素因数の和:4272

約数の個数: 144

約数和(自身を含む): 879110400

約数和(自身を除く): 622173300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 29, 30, 35, 42, 50, 58, 60, 70, 75, 84, 87, 100, 105, 116, 140, 145, 150, 174, 175, 203, 210, 290, 300, 348, 350, 406, 420, 435, 525, 580, 609, 700, 725, 812, 870, 1015, 1050, 1218, 1450, 1740, 2030, 2100, 2175, 2436, 2900, 3045, 4060, 4219, 4350, 5075, 6090, 8438, 8700, 10150, 12180, 12657, 15225, 16876, 20300, 21095, 25314, 29533, 30450, 42190, 50628, 59066, 60900, 63285, 84380, 88599, 105475, 118132, 122351, 126570, 147665, 177198, 210950, 244702, 253140, 295330, 316425, 354396, 367053, 421900, 442995, 489404, 590660, 611755, 632850, 734106, 738325, 856457, 885990, 1223510, 1265700, 1468212, 1476650, 1712914, 1771980, 1835265, 2214975, 2447020, 2569371, 2953300, 3058775, 3425828, 3670530, 4282285, 4429950, 5138742, 6117550, 7341060, 8564570, 8859900, 9176325, 10277484, 12235100, 12846855, 17129140, 18352650, 21411425, 25693710, 36705300, 42822850, 51387420, 64234275, 85645700, 128468550, 256937100]

約数ペア:

[(1, 256937100), (2, 128468550), (3, 85645700), (4, 64234275), (5, 51387420), (6, 42822850), (7, 36705300), (10, 25693710), (12, 21411425), (14, 18352650), (15, 17129140), (20, 12846855), (21, 12235100), (25, 10277484), (28, 9176325), (29, 8859900), (30, 8564570), (35, 7341060), (42, 6117550), (50, 5138742), (58, 4429950), (60, 4282285), (70, 3670530), (75, 3425828), (84, 3058775), (87, 2953300), (100, 2569371), (105, 2447020), (116, 2214975), (140, 1835265), (145, 1771980), (150, 1712914), (174, 1476650), (175, 1468212), (203, 1265700), (210, 1223510), (290, 885990), (300, 856457), (348, 738325), (350, 734106), (406, 632850), (420, 611755), (435, 590660), (525, 489404), (580, 442995), (609, 421900), (700, 367053), (725, 354396), (812, 316425), (870, 295330), (1015, 253140), (1050, 244702), (1218, 210950), (1450, 177198), (1740, 147665), (2030, 126570), (2100, 122351), (2175, 118132), (2436, 105475), (2900, 88599), (3045, 84380), (4060, 63285), (4219, 60900), (4350, 59066), (5075, 50628), (6090, 42190), (8438, 30450), (8700, 29533), (10150, 25314), (12180, 21095), (12657, 20300), (15225, 16876)]