17919700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 41997312

約数和(自身を除く): 24077612

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 83, 85, 100, 127, 166, 170, 254, 332, 340, 415, 425, 508, 635, 830, 850, 1270, 1411, 1660, 1700, 2075, 2159, 2540, 2822, 3175, 4150, 4318, 5644, 6350, 7055, 8300, 8636, 10541, 10795, 12700, 14110, 21082, 21590, 28220, 35275, 42164, 43180, 52705, 53975, 70550, 105410, 107950, 141100, 179197, 210820, 215900, 263525, 358394, 527050, 716788, 895985, 1054100, 1791970, 3583940, 4479925, 8959850, 17919700]

約数ペア:

[(1, 17919700), (2, 8959850), (4, 4479925), (5, 3583940), (10, 1791970), (17, 1054100), (20, 895985), (25, 716788), (34, 527050), (50, 358394), (68, 263525), (83, 215900), (85, 210820), (100, 179197), (127, 141100), (166, 107950), (170, 105410), (254, 70550), (332, 53975), (340, 52705), (415, 43180), (425, 42164), (508, 35275), (635, 28220), (830, 21590), (850, 21082), (1270, 14110), (1411, 12700), (1660, 10795), (1700, 10541), (2075, 8636), (2159, 8300), (2540, 7055), (2822, 6350), (3175, 5644), (4150, 4318)]