720287788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{3347}}^1$

素因数の和:3502

約数の個数: 48

約数和(自身を含む): 1415159424

約数和(自身を除く): 694871636

約数列:

[1, 2, 4, 11, 22, 44, 67, 73, 134, 146, 268, 292, 737, 803, 1474, 1606, 2948, 3212, 3347, 4891, 6694, 9782, 13388, 19564, 36817, 53801, 73634, 107602, 147268, 215204, 224249, 244331, 448498, 488662, 896996, 977324, 2466739, 2687641, 4933478, 5375282, 9866956, 10750564, 16370177, 32740354, 65480708, 180071947, 360143894, 720287788]

約数ペア:

[(1, 720287788), (2, 360143894), (4, 180071947), (11, 65480708), (22, 32740354), (44, 16370177), (67, 10750564), (73, 9866956), (134, 5375282), (146, 4933478), (268, 2687641), (292, 2466739), (737, 977324), (803, 896996), (1474, 488662), (1606, 448498), (2948, 244331), (3212, 224249), (3347, 215204), (4891, 147268), (6694, 107602), (9782, 73634), (13388, 53801), (19564, 36817)]