74405890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:587

約数の個数: 64

約数和(自身を含む): 153216000

約数和(自身を除く): 78810110

約数列:

[1, 2, 5, 10, 13, 26, 31, 37, 62, 65, 74, 130, 155, 185, 310, 370, 403, 481, 499, 806, 962, 998, 1147, 2015, 2294, 2405, 2495, 4030, 4810, 4990, 5735, 6487, 11470, 12974, 14911, 15469, 18463, 29822, 30938, 32435, 36926, 64870, 74555, 77345, 92315, 149110, 154690, 184630, 201097, 240019, 402194, 480038, 572353, 1005485, 1144706, 1200095, 2010970, 2400190, 2861765, 5723530, 7440589, 14881178, 37202945, 74405890]

約数ペア:

[(1, 74405890), (2, 37202945), (5, 14881178), (10, 7440589), (13, 5723530), (26, 2861765), (31, 2400190), (37, 2010970), (62, 1200095), (65, 1144706), (74, 1005485), (130, 572353), (155, 480038), (185, 402194), (310, 240019), (370, 201097), (403, 184630), (481, 154690), (499, 149110), (806, 92315), (962, 77345), (998, 74555), (1147, 64870), (2015, 36926), (2294, 32435), (2405, 30938), (2495, 29822), (4030, 18463), (4810, 15469), (4990, 14911), (5735, 12974), (6487, 11470)]