147777260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{691}}^1$

素因数の和:771

約数の個数: 72

約数和(自身を含む): 339060624

約数和(自身を除く): 191283364

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 289, 340, 370, 578, 629, 691, 740, 1156, 1258, 1382, 1445, 2516, 2764, 2890, 3145, 3455, 5780, 6290, 6910, 10693, 11747, 12580, 13820, 21386, 23494, 25567, 42772, 46988, 51134, 53465, 58735, 102268, 106930, 117470, 127835, 199699, 213860, 234940, 255670, 399398, 434639, 511340, 798796, 869278, 998495, 1738556, 1996990, 2173195, 3993980, 4346390, 7388863, 8692780, 14777726, 29555452, 36944315, 73888630, 147777260]

約数ペア:

[(1, 147777260), (2, 73888630), (4, 36944315), (5, 29555452), (10, 14777726), (17, 8692780), (20, 7388863), (34, 4346390), (37, 3993980), (68, 2173195), (74, 1996990), (85, 1738556), (148, 998495), (170, 869278), (185, 798796), (289, 511340), (340, 434639), (370, 399398), (578, 255670), (629, 234940), (691, 213860), (740, 199699), (1156, 127835), (1258, 117470), (1382, 106930), (1445, 102268), (2516, 58735), (2764, 53465), (2890, 51134), (3145, 46988), (3455, 42772), (5780, 25567), (6290, 23494), (6910, 21386), (10693, 13820), (11747, 12580)]