405698940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{9929}}^1$

素因数の和:10171

約数の個数: 72

約数和(自身を含む): 1236165840

約数和(自身を除く): 830466900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 227, 454, 681, 908, 1135, 1362, 2043, 2270, 2724, 3405, 4086, 4540, 6810, 8172, 9929, 10215, 13620, 19858, 20430, 29787, 39716, 40860, 49645, 59574, 89361, 99290, 119148, 148935, 178722, 198580, 297870, 357444, 446805, 595740, 893610, 1787220, 2253883, 4507766, 6761649, 9015532, 11269415, 13523298, 20284947, 22538830, 27046596, 33808245, 40569894, 45077660, 67616490, 81139788, 101424735, 135232980, 202849470, 405698940]

約数ペア:

[(1, 405698940), (2, 202849470), (3, 135232980), (4, 101424735), (5, 81139788), (6, 67616490), (9, 45077660), (10, 40569894), (12, 33808245), (15, 27046596), (18, 22538830), (20, 20284947), (30, 13523298), (36, 11269415), (45, 9015532), (60, 6761649), (90, 4507766), (180, 2253883), (227, 1787220), (454, 893610), (681, 595740), (908, 446805), (1135, 357444), (1362, 297870), (2043, 198580), (2270, 178722), (2724, 148935), (3405, 119148), (4086, 99290), (4540, 89361), (6810, 59574), (8172, 49645), (9929, 40860), (10215, 39716), (13620, 29787), (19858, 20430)]