749065940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{26357}}^1$

素因数の和:26409

約数の個数: 72

約数和(自身を含む): 1893031560

約数和(自身を除く): 1143965620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2842, 4060, 5684, 7105, 14210, 26357, 28420, 52714, 105428, 131785, 184499, 263570, 368998, 527140, 737996, 764353, 922495, 1291493, 1528706, 1844990, 2582986, 3057412, 3689980, 3821765, 5165972, 5350471, 6457465, 7643530, 10700942, 12914930, 15287060, 21401884, 25829860, 26752355, 37453297, 53504710, 74906594, 107009420, 149813188, 187266485, 374532970, 749065940]

約数ペア:

[(1, 749065940), (2, 374532970), (4, 187266485), (5, 149813188), (7, 107009420), (10, 74906594), (14, 53504710), (20, 37453297), (28, 26752355), (29, 25829860), (35, 21401884), (49, 15287060), (58, 12914930), (70, 10700942), (98, 7643530), (116, 6457465), (140, 5350471), (145, 5165972), (196, 3821765), (203, 3689980), (245, 3057412), (290, 2582986), (406, 1844990), (490, 1528706), (580, 1291493), (812, 922495), (980, 764353), (1015, 737996), (1421, 527140), (2030, 368998), (2842, 263570), (4060, 184499), (5684, 131785), (7105, 105428), (14210, 52714), (26357, 28420)]