450143980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157393}}^1$

素因数の和:157426

約数の個数: 48

約数和(自身を含む): 1110572064

約数和(自身を除く): 660428084

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, 157393, 314786, 629572, 786965, 1573930, 1731323, 2046109, 3147860, 3462646, 4092218, 6925292, 8184436, 8656615, 10230545, 17313230, 20461090, 22507199, 34626460, 40922180, 45014398, 90028796, 112535995, 225071990, 450143980]

約数ペア:

[(1, 450143980), (2, 225071990), (4, 112535995), (5, 90028796), (10, 45014398), (11, 40922180), (13, 34626460), (20, 22507199), (22, 20461090), (26, 17313230), (44, 10230545), (52, 8656615), (55, 8184436), (65, 6925292), (110, 4092218), (130, 3462646), (143, 3147860), (220, 2046109), (260, 1731323), (286, 1573930), (572, 786965), (715, 629572), (1430, 314786), (2860, 157393)]