28125510

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{53}}^1$

素因数の和:115

約数の個数: 144

約数和(自身を含む): 84435696

約数和(自身を除く): 56310186

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 49, 53, 57, 70, 95, 98, 105, 106, 114, 133, 147, 159, 190, 210, 245, 265, 266, 285, 294, 318, 361, 371, 399, 490, 530, 570, 665, 722, 735, 742, 795, 798, 931, 1007, 1083, 1113, 1330, 1470, 1590, 1805, 1855, 1862, 1995, 2014, 2166, 2226, 2527, 2597, 2793, 3021, 3610, 3710, 3990, 4655, 5035, 5054, 5194, 5415, 5565, 5586, 6042, 7049, 7581, 7791, 9310, 10070, 10830, 11130, 12635, 12985, 13965, 14098, 15105, 15162, 15582, 17689, 19133, 21147, 25270, 25970, 27930, 30210, 35245, 35378, 37905, 38266, 38955, 42294, 49343, 53067, 57399, 70490, 75810, 77910, 88445, 95665, 98686, 105735, 106134, 114798, 133931, 148029, 176890, 191330, 211470, 246715, 265335, 267862, 286995, 296058, 401793, 493430, 530670, 573990, 669655, 740145, 803586, 937517, 1339310, 1480290, 1875034, 2008965, 2812551, 4017930, 4687585, 5625102, 9375170, 14062755, 28125510]

約数ペア:

[(1, 28125510), (2, 14062755), (3, 9375170), (5, 5625102), (6, 4687585), (7, 4017930), (10, 2812551), (14, 2008965), (15, 1875034), (19, 1480290), (21, 1339310), (30, 937517), (35, 803586), (38, 740145), (42, 669655), (49, 573990), (53, 530670), (57, 493430), (70, 401793), (95, 296058), (98, 286995), (105, 267862), (106, 265335), (114, 246715), (133, 211470), (147, 191330), (159, 176890), (190, 148029), (210, 133931), (245, 114798), (265, 106134), (266, 105735), (285, 98686), (294, 95665), (318, 88445), (361, 77910), (371, 75810), (399, 70490), (490, 57399), (530, 53067), (570, 49343), (665, 42294), (722, 38955), (735, 38266), (742, 37905), (795, 35378), (798, 35245), (931, 30210), (1007, 27930), (1083, 25970), (1113, 25270), (1330, 21147), (1470, 19133), (1590, 17689), (1805, 15582), (1855, 15162), (1862, 15105), (1995, 14098), (2014, 13965), (2166, 12985), (2226, 12635), (2527, 11130), (2597, 10830), (2793, 10070), (3021, 9310), (3610, 7791), (3710, 7581), (3990, 7049), (4655, 6042), (5035, 5586), (5054, 5565), (5194, 5415)]