611922020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{13901}}^1$

素因数の和:14012

約数の個数: 48

約数和(自身を含む): 1345268736

約数和(自身を除く): 733346716

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 284, 310, 355, 620, 710, 1420, 2201, 4402, 8804, 11005, 13901, 22010, 27802, 44020, 55604, 69505, 139010, 278020, 430931, 861862, 986971, 1723724, 1973942, 2154655, 3947884, 4309310, 4934855, 8618620, 9869710, 19739420, 30596101, 61192202, 122384404, 152980505, 305961010, 611922020]

約数ペア:

[(1, 611922020), (2, 305961010), (4, 152980505), (5, 122384404), (10, 61192202), (20, 30596101), (31, 19739420), (62, 9869710), (71, 8618620), (124, 4934855), (142, 4309310), (155, 3947884), (284, 2154655), (310, 1973942), (355, 1723724), (620, 986971), (710, 861862), (1420, 430931), (2201, 278020), (4402, 139010), (8804, 69505), (11005, 55604), (13901, 44020), (22010, 27802)]