2051257696990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{317}}^1\times {\mathrm{645149}}^1$

素因数の和:645549

約数の個数: 64

約数和(自身を含む): 3988265688000

約数和(自身を除く): 1937007991010

約数列:

[1, 2, 5, 10, 17, 34, 59, 85, 118, 170, 295, 317, 590, 634, 1003, 1585, 2006, 3170, 5015, 5389, 10030, 10778, 18703, 26945, 37406, 53890, 93515, 187030, 317951, 635902, 645149, 1290298, 1589755, 3179510, 3225745, 6451490, 10967533, 21935066, 38063791, 54837665, 76127582, 109675330, 190318955, 204512233, 380637910, 409024466, 647084447, 1022561165, 1294168894, 2045122330, 3235422235, 3476707961, 6470844470, 6953415922, 12066221747, 17383539805, 24132443494, 34767079610, 60331108735, 120662217470, 205125769699, 410251539398, 1025628848495, 2051257696990]

約数ペア:

[(1, 2051257696990), (2, 1025628848495), (5, 410251539398), (10, 205125769699), (17, 120662217470), (34, 60331108735), (59, 34767079610), (85, 24132443494), (118, 17383539805), (170, 12066221747), (295, 6953415922), (317, 6470844470), (590, 3476707961), (634, 3235422235), (1003, 2045122330), (1585, 1294168894), (2006, 1022561165), (3170, 647084447), (5015, 409024466), (5389, 380637910), (10030, 204512233), (10778, 190318955), (18703, 109675330), (26945, 76127582), (37406, 54837665), (53890, 38063791), (93515, 21935066), (187030, 10967533), (317951, 6451490), (635902, 3225745), (645149, 3179510), (1290298, 1589755)]