About the Number

252423780

252423779 ← → 252423781

2進数表記:1111000010111010111001100100

漢数字表記:二億五千二百四十二万三千七百八十

素因数分解:

2 2 × 3 1 × 5 1 × 7 1 × 73 1 × 8233 1

素因数の和:8325
約数の個数: 96
約数和(自身を含む): 818920704
約数和(自身を除く): 566496924

約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 73, 84, 105, 140, 146, 210, 219, 292, 365, 420, 438, 511, 730, 876, 1022, 1095, 1460, 1533, 2044, 2190, 2555, 3066, 4380, 5110, 6132, 7665, 8233, 10220, 15330, 16466, 24699, 30660, 32932, 41165, 49398, 57631, 82330, 98796, 115262, 123495, 164660, 172893, 230524, 246990, 288155, 345786, 493980, 576310, 601009, 691572, 864465, 1152620, 1202018, 1728930, 1803027, 2404036, 3005045, 3457860, 3606054, 4207063, 6010090, 7212108, 8414126, 9015135, 12020180, 12621189, 16828252, 18030270, 21035315, 25242378, 36060540, 42070630, 50484756, 63105945, 84141260, 126211890, 252423780]

約数ペア:
[(1, 252423780), (2, 126211890), (3, 84141260), (4, 63105945), (5, 50484756), (6, 42070630), (7, 36060540), (10, 25242378), (12, 21035315), (14, 18030270), (15, 16828252), (20, 12621189), (21, 12020180), (28, 9015135), (30, 8414126), (35, 7212108), (42, 6010090), (60, 4207063), (70, 3606054), (73, 3457860), (84, 3005045), (105, 2404036), (140, 1803027), (146, 1728930), (210, 1202018), (219, 1152620), (292, 864465), (365, 691572), (420, 601009), (438, 576310), (511, 493980), (730, 345786), (876, 288155), (1022, 246990), (1095, 230524), (1460, 172893), (1533, 164660), (2044, 123495), (2190, 115262), (2555, 98796), (3066, 82330), (4380, 57631), (5110, 49398), (6132, 41165), (7665, 32932), (8233, 30660), (10220, 24699), (15330, 16466)]

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