215581600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1091}}^1$

素因数の和:1143

約数の個数: 144

約数和(自身を含む): 597149280

約数和(自身を除く): 381567680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 32, 38, 40, 50, 52, 65, 76, 80, 95, 100, 104, 130, 152, 160, 190, 200, 208, 247, 260, 304, 325, 380, 400, 416, 475, 494, 520, 608, 650, 760, 800, 950, 988, 1040, 1091, 1235, 1300, 1520, 1900, 1976, 2080, 2182, 2470, 2600, 3040, 3800, 3952, 4364, 4940, 5200, 5455, 6175, 7600, 7904, 8728, 9880, 10400, 10910, 12350, 14183, 15200, 17456, 19760, 20729, 21820, 24700, 27275, 28366, 34912, 39520, 41458, 43640, 49400, 54550, 56732, 70915, 82916, 87280, 98800, 103645, 109100, 113464, 141830, 165832, 174560, 197600, 207290, 218200, 226928, 269477, 283660, 331664, 354575, 414580, 436400, 453856, 518225, 538954, 567320, 663328, 709150, 829160, 872800, 1036450, 1077908, 1134640, 1347385, 1418300, 1658320, 2072900, 2155816, 2269280, 2694770, 2836600, 3316640, 4145800, 4311632, 5389540, 5673200, 6736925, 8291600, 8623264, 10779080, 11346400, 13473850, 16583200, 21558160, 26947700, 43116320, 53895400, 107790800, 215581600]

約数ペア:

[(1, 215581600), (2, 107790800), (4, 53895400), (5, 43116320), (8, 26947700), (10, 21558160), (13, 16583200), (16, 13473850), (19, 11346400), (20, 10779080), (25, 8623264), (26, 8291600), (32, 6736925), (38, 5673200), (40, 5389540), (50, 4311632), (52, 4145800), (65, 3316640), (76, 2836600), (80, 2694770), (95, 2269280), (100, 2155816), (104, 2072900), (130, 1658320), (152, 1418300), (160, 1347385), (190, 1134640), (200, 1077908), (208, 1036450), (247, 872800), (260, 829160), (304, 709150), (325, 663328), (380, 567320), (400, 538954), (416, 518225), (475, 453856), (494, 436400), (520, 414580), (608, 354575), (650, 331664), (760, 283660), (800, 269477), (950, 226928), (988, 218200), (1040, 207290), (1091, 197600), (1235, 174560), (1300, 165832), (1520, 141830), (1900, 113464), (1976, 109100), (2080, 103645), (2182, 98800), (2470, 87280), (2600, 82916), (3040, 70915), (3800, 56732), (3952, 54550), (4364, 49400), (4940, 43640), (5200, 41458), (5455, 39520), (6175, 34912), (7600, 28366), (7904, 27275), (8728, 24700), (9880, 21820), (10400, 20729), (10910, 19760), (12350, 17456), (14183, 15200)]