23400280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 54966240

約数和(自身を除く): 31565960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 97, 148, 163, 185, 194, 296, 326, 370, 388, 485, 652, 740, 776, 815, 970, 1304, 1480, 1630, 1940, 3260, 3589, 3880, 6031, 6520, 7178, 12062, 14356, 15811, 17945, 24124, 28712, 30155, 31622, 35890, 48248, 60310, 63244, 71780, 79055, 120620, 126488, 143560, 158110, 241240, 316220, 585007, 632440, 1170014, 2340028, 2925035, 4680056, 5850070, 11700140, 23400280]

約数ペア:

[(1, 23400280), (2, 11700140), (4, 5850070), (5, 4680056), (8, 2925035), (10, 2340028), (20, 1170014), (37, 632440), (40, 585007), (74, 316220), (97, 241240), (148, 158110), (163, 143560), (185, 126488), (194, 120620), (296, 79055), (326, 71780), (370, 63244), (388, 60310), (485, 48248), (652, 35890), (740, 31622), (776, 30155), (815, 28712), (970, 24124), (1304, 17945), (1480, 15811), (1630, 14356), (1940, 12062), (3260, 7178), (3589, 6520), (3880, 6031)]