1861121200

素因数分解:

$2^4\times 5^2\times {\mathrm{41}}^1\times {\mathrm{283}}^1\times {\mathrm{401}}^1$

素因数の和:743

約数の個数: 120

約数和(自身を含む): 4608048816

約数和(自身を除く): 2746927616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 164, 200, 205, 283, 328, 400, 401, 410, 566, 656, 802, 820, 1025, 1132, 1415, 1604, 1640, 2005, 2050, 2264, 2830, 3208, 3280, 4010, 4100, 4528, 5660, 6416, 7075, 8020, 8200, 10025, 11320, 11603, 14150, 16040, 16400, 16441, 20050, 22640, 23206, 28300, 32080, 32882, 40100, 46412, 56600, 58015, 65764, 80200, 82205, 92824, 113200, 113483, 116030, 131528, 160400, 164410, 185648, 226966, 232060, 263056, 290075, 328820, 411025, 453932, 464120, 567415, 580150, 657640, 822050, 907864, 928240, 1134830, 1160300, 1315280, 1644100, 1815728, 2269660, 2320600, 2837075, 3288200, 4539320, 4641200, 4652803, 5674150, 6576400, 9078640, 9305606, 11348300, 18611212, 22696600, 23264015, 37222424, 45393200, 46528030, 74444848, 93056060, 116320075, 186112120, 232640150, 372224240, 465280300, 930560600, 1861121200]

約数ペア:

[(1, 1861121200), (2, 930560600), (4, 465280300), (5, 372224240), (8, 232640150), (10, 186112120), (16, 116320075), (20, 93056060), (25, 74444848), (40, 46528030), (41, 45393200), (50, 37222424), (80, 23264015), (82, 22696600), (100, 18611212), (164, 11348300), (200, 9305606), (205, 9078640), (283, 6576400), (328, 5674150), (400, 4652803), (401, 4641200), (410, 4539320), (566, 3288200), (656, 2837075), (802, 2320600), (820, 2269660), (1025, 1815728), (1132, 1644100), (1415, 1315280), (1604, 1160300), (1640, 1134830), (2005, 928240), (2050, 907864), (2264, 822050), (2830, 657640), (3208, 580150), (3280, 567415), (4010, 464120), (4100, 453932), (4528, 411025), (5660, 328820), (6416, 290075), (7075, 263056), (8020, 232060), (8200, 226966), (10025, 185648), (11320, 164410), (11603, 160400), (14150, 131528), (16040, 116030), (16400, 113483), (16441, 113200), (20050, 92824), (22640, 82205), (23206, 80200), (28300, 65764), (32080, 58015), (32882, 56600), (40100, 46412)]