210865620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{4219}}^1$

素因数の和:4262

約数の個数: 144

約数和(自身を含む): 727392960

約数和(自身を除く): 516527340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 98, 102, 105, 119, 140, 147, 170, 196, 204, 210, 238, 245, 255, 294, 340, 357, 420, 476, 490, 510, 588, 595, 714, 735, 833, 980, 1020, 1190, 1428, 1470, 1666, 1785, 2380, 2499, 2940, 3332, 3570, 4165, 4219, 4998, 7140, 8330, 8438, 9996, 12495, 12657, 16660, 16876, 21095, 24990, 25314, 29533, 42190, 49980, 50628, 59066, 63285, 71723, 84380, 88599, 118132, 126570, 143446, 147665, 177198, 206731, 215169, 253140, 286892, 295330, 354396, 358615, 413462, 430338, 442995, 502061, 590660, 620193, 717230, 826924, 860676, 885990, 1004122, 1033655, 1075845, 1240386, 1434460, 1506183, 1771980, 2008244, 2067310, 2151690, 2480772, 2510305, 3012366, 3100965, 3514427, 4134620, 4303380, 5020610, 6024732, 6201930, 7028854, 7530915, 10041220, 10543281, 12403860, 14057708, 15061830, 17572135, 21086562, 30123660, 35144270, 42173124, 52716405, 70288540, 105432810, 210865620]

約数ペア:

[(1, 210865620), (2, 105432810), (3, 70288540), (4, 52716405), (5, 42173124), (6, 35144270), (7, 30123660), (10, 21086562), (12, 17572135), (14, 15061830), (15, 14057708), (17, 12403860), (20, 10543281), (21, 10041220), (28, 7530915), (30, 7028854), (34, 6201930), (35, 6024732), (42, 5020610), (49, 4303380), (51, 4134620), (60, 3514427), (68, 3100965), (70, 3012366), (84, 2510305), (85, 2480772), (98, 2151690), (102, 2067310), (105, 2008244), (119, 1771980), (140, 1506183), (147, 1434460), (170, 1240386), (196, 1075845), (204, 1033655), (210, 1004122), (238, 885990), (245, 860676), (255, 826924), (294, 717230), (340, 620193), (357, 590660), (420, 502061), (476, 442995), (490, 430338), (510, 413462), (588, 358615), (595, 354396), (714, 295330), (735, 286892), (833, 253140), (980, 215169), (1020, 206731), (1190, 177198), (1428, 147665), (1470, 143446), (1666, 126570), (1785, 118132), (2380, 88599), (2499, 84380), (2940, 71723), (3332, 63285), (3570, 59066), (4165, 50628), (4219, 49980), (4998, 42190), (7140, 29533), (8330, 25314), (8438, 24990), (9996, 21095), (12495, 16876), (12657, 16660)]