210807740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73709}}^1$

素因数の和:73742

約数の個数: 48

約数和(自身を含む): 520097760

約数和(自身を除く): 309290020

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 73709, 147418, 294836, 368545, 737090, 810799, 958217, 1474180, 1621598, 1916434, 3243196, 3832868, 4053995, 4791085, 8107990, 9582170, 10540387, 16215980, 19164340, 21080774, 42161548, 52701935, 105403870, 210807740]

約数ペア:

[(1, 210807740), (2, 105403870), (4, 52701935), (5, 42161548), (10, 21080774), (11, 19164340), (13, 16215980), (20, 10540387), (22, 9582170), (26, 8107990), (44, 4791085), (52, 4053995), (55, 3832868), (65, 3243196), (110, 1916434), (130, 1621598), (143, 1474180), (220, 958217), (260, 810799), (286, 737090), (572, 368545), (715, 294836), (1430, 147418), (2860, 73709)]