79787800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:821

約数の個数: 96

約数和(自身を含む): 203022720

約数和(自身を除く): 123234920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 31, 34, 40, 50, 62, 68, 85, 100, 124, 136, 155, 170, 200, 248, 310, 340, 425, 527, 620, 680, 757, 775, 850, 1054, 1240, 1514, 1550, 1700, 2108, 2635, 3028, 3100, 3400, 3785, 4216, 5270, 6056, 6200, 7570, 10540, 12869, 13175, 15140, 18925, 21080, 23467, 25738, 26350, 30280, 37850, 46934, 51476, 52700, 64345, 75700, 93868, 102952, 105400, 117335, 128690, 151400, 187736, 234670, 257380, 321725, 398939, 469340, 514760, 586675, 643450, 797878, 938680, 1173350, 1286900, 1595756, 1994695, 2346700, 2573800, 3191512, 3989390, 4693400, 7978780, 9973475, 15957560, 19946950, 39893900, 79787800]

約数ペア:

[(1, 79787800), (2, 39893900), (4, 19946950), (5, 15957560), (8, 9973475), (10, 7978780), (17, 4693400), (20, 3989390), (25, 3191512), (31, 2573800), (34, 2346700), (40, 1994695), (50, 1595756), (62, 1286900), (68, 1173350), (85, 938680), (100, 797878), (124, 643450), (136, 586675), (155, 514760), (170, 469340), (200, 398939), (248, 321725), (310, 257380), (340, 234670), (425, 187736), (527, 151400), (620, 128690), (680, 117335), (757, 105400), (775, 102952), (850, 93868), (1054, 75700), (1240, 64345), (1514, 52700), (1550, 51476), (1700, 46934), (2108, 37850), (2635, 30280), (3028, 26350), (3100, 25738), (3400, 23467), (3785, 21080), (4216, 18925), (5270, 15140), (6056, 13175), (6200, 12869), (7570, 10540)]