1649676820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{4943}}^1$

素因数の和:5041

約数の個数: 96

約数和(自身を含む): 3976874496

約数和(自身を除く): 2327197676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 41, 44, 55, 74, 82, 110, 148, 164, 185, 205, 220, 370, 407, 410, 451, 740, 814, 820, 902, 1517, 1628, 1804, 2035, 2255, 3034, 4070, 4510, 4943, 6068, 7585, 8140, 9020, 9886, 15170, 16687, 19772, 24715, 30340, 33374, 49430, 54373, 66748, 83435, 98860, 108746, 166870, 182891, 202663, 217492, 271865, 333740, 365782, 405326, 543730, 731564, 810652, 914455, 1013315, 1087460, 1828910, 2011801, 2026630, 2229293, 3657820, 4023602, 4053260, 4458586, 7498531, 8047204, 8917172, 10059005, 11146465, 14997062, 20118010, 22292930, 29994124, 37492655, 40236020, 44585860, 74985310, 82483841, 149970620, 164967682, 329935364, 412419205, 824838410, 1649676820]

約数ペア:

[(1, 1649676820), (2, 824838410), (4, 412419205), (5, 329935364), (10, 164967682), (11, 149970620), (20, 82483841), (22, 74985310), (37, 44585860), (41, 40236020), (44, 37492655), (55, 29994124), (74, 22292930), (82, 20118010), (110, 14997062), (148, 11146465), (164, 10059005), (185, 8917172), (205, 8047204), (220, 7498531), (370, 4458586), (407, 4053260), (410, 4023602), (451, 3657820), (740, 2229293), (814, 2026630), (820, 2011801), (902, 1828910), (1517, 1087460), (1628, 1013315), (1804, 914455), (2035, 810652), (2255, 731564), (3034, 543730), (4070, 405326), (4510, 365782), (4943, 333740), (6068, 271865), (7585, 217492), (8140, 202663), (9020, 182891), (9886, 166870), (15170, 108746), (16687, 98860), (19772, 83435), (24715, 66748), (30340, 54373), (33374, 49430)]