215501230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{521}}^1$

素因数の和:865

約数の個数: 64

約数和(自身を含む): 469048320

約数和(自身を除く): 253547090

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 311, 521, 622, 665, 1042, 1330, 1555, 2177, 2605, 3110, 3647, 4354, 5210, 5909, 7294, 9899, 10885, 11818, 18235, 19798, 21770, 29545, 36470, 41363, 49495, 59090, 69293, 82726, 98990, 138586, 162031, 206815, 324062, 346465, 413630, 692930, 810155, 1134217, 1620310, 2268434, 3078589, 5671085, 6157178, 11342170, 15392945, 21550123, 30785890, 43100246, 107750615, 215501230]

約数ペア:

[(1, 215501230), (2, 107750615), (5, 43100246), (7, 30785890), (10, 21550123), (14, 15392945), (19, 11342170), (35, 6157178), (38, 5671085), (70, 3078589), (95, 2268434), (133, 1620310), (190, 1134217), (266, 810155), (311, 692930), (521, 413630), (622, 346465), (665, 324062), (1042, 206815), (1330, 162031), (1555, 138586), (2177, 98990), (2605, 82726), (3110, 69293), (3647, 59090), (4354, 49495), (5210, 41363), (5909, 36470), (7294, 29545), (9899, 21770), (10885, 19798), (11818, 18235)]