1878974020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{23021}}^1$

素因数の和:23101

約数の個数: 96

約数和(自身を含む): 5012534016

約数和(自身を除く): 3133559996

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 53, 55, 70, 77, 106, 110, 140, 154, 212, 220, 265, 308, 371, 385, 530, 583, 742, 770, 1060, 1166, 1484, 1540, 1855, 2332, 2915, 3710, 4081, 5830, 7420, 8162, 11660, 16324, 20405, 23021, 40810, 46042, 81620, 92084, 115105, 161147, 230210, 253231, 322294, 460420, 506462, 644588, 805735, 1012924, 1220113, 1266155, 1611470, 1772617, 2440226, 2532310, 3222940, 3545234, 4880452, 5064620, 6100565, 7090468, 8540791, 8863085, 12201130, 13421243, 17081582, 17726170, 24402260, 26842486, 34163164, 35452340, 42703955, 53684972, 67106215, 85407910, 93948701, 134212430, 170815820, 187897402, 268424860, 375794804, 469743505, 939487010, 1878974020]

約数ペア:

[(1, 1878974020), (2, 939487010), (4, 469743505), (5, 375794804), (7, 268424860), (10, 187897402), (11, 170815820), (14, 134212430), (20, 93948701), (22, 85407910), (28, 67106215), (35, 53684972), (44, 42703955), (53, 35452340), (55, 34163164), (70, 26842486), (77, 24402260), (106, 17726170), (110, 17081582), (140, 13421243), (154, 12201130), (212, 8863085), (220, 8540791), (265, 7090468), (308, 6100565), (371, 5064620), (385, 4880452), (530, 3545234), (583, 3222940), (742, 2532310), (770, 2440226), (1060, 1772617), (1166, 1611470), (1484, 1266155), (1540, 1220113), (1855, 1012924), (2332, 805735), (2915, 644588), (3710, 506462), (4081, 460420), (5830, 322294), (7420, 253231), (8162, 230210), (11660, 161147), (16324, 115105), (20405, 92084), (23021, 81620), (40810, 46042)]