205069280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5189}}^1$

素因数の和:5236

約数の個数: 96

約数和(自身を含む): 549309600

約数和(自身を除く): 344240320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 494, 520, 608, 760, 988, 1040, 1235, 1520, 1976, 2080, 2470, 3040, 3952, 4940, 5189, 7904, 9880, 10378, 19760, 20756, 25945, 39520, 41512, 51890, 67457, 83024, 98591, 103780, 134914, 166048, 197182, 207560, 269828, 337285, 394364, 415120, 492955, 539656, 674570, 788728, 830240, 985910, 1079312, 1281683, 1349140, 1577456, 1971820, 2158624, 2563366, 2698280, 3154912, 3943640, 5126732, 5396560, 6408415, 7887280, 10253464, 10793120, 12816830, 15774560, 20506928, 25633660, 41013856, 51267320, 102534640, 205069280]

約数ペア:

[(1, 205069280), (2, 102534640), (4, 51267320), (5, 41013856), (8, 25633660), (10, 20506928), (13, 15774560), (16, 12816830), (19, 10793120), (20, 10253464), (26, 7887280), (32, 6408415), (38, 5396560), (40, 5126732), (52, 3943640), (65, 3154912), (76, 2698280), (80, 2563366), (95, 2158624), (104, 1971820), (130, 1577456), (152, 1349140), (160, 1281683), (190, 1079312), (208, 985910), (247, 830240), (260, 788728), (304, 674570), (380, 539656), (416, 492955), (494, 415120), (520, 394364), (608, 337285), (760, 269828), (988, 207560), (1040, 197182), (1235, 166048), (1520, 134914), (1976, 103780), (2080, 98591), (2470, 83024), (3040, 67457), (3952, 51890), (4940, 41512), (5189, 39520), (7904, 25945), (9880, 20756), (10378, 19760)]