2012060540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{641}}^1\times {\mathrm{3203}}^1$

素因数の和:3867

約数の個数: 72

約数和(自身を含む): 4924381392

約数和(自身を除く): 2912320852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 641, 980, 1282, 2564, 3203, 3205, 4487, 6406, 6410, 8974, 12812, 12820, 16015, 17948, 22421, 22435, 31409, 32030, 44842, 44870, 62818, 64060, 89684, 89740, 112105, 125636, 156947, 157045, 224210, 313894, 314090, 448420, 627788, 628180, 784735, 1569470, 2053123, 3138940, 4106246, 8212492, 10265615, 14371861, 20531230, 28743722, 41062460, 57487444, 71859305, 100603027, 143718610, 201206054, 287437220, 402412108, 503015135, 1006030270, 2012060540]

約数ペア:

[(1, 2012060540), (2, 1006030270), (4, 503015135), (5, 402412108), (7, 287437220), (10, 201206054), (14, 143718610), (20, 100603027), (28, 71859305), (35, 57487444), (49, 41062460), (70, 28743722), (98, 20531230), (140, 14371861), (196, 10265615), (245, 8212492), (490, 4106246), (641, 3138940), (980, 2053123), (1282, 1569470), (2564, 784735), (3203, 628180), (3205, 627788), (4487, 448420), (6406, 314090), (6410, 313894), (8974, 224210), (12812, 157045), (12820, 156947), (16015, 125636), (17948, 112105), (22421, 89740), (22435, 89684), (31409, 64060), (32030, 62818), (44842, 44870)]