19709800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:92

約数の個数: 144

約数和(自身を含む): 54817920

約数和(自身を除く): 35108120

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 25, 31, 34, 40, 44, 50, 55, 62, 68, 85, 88, 100, 110, 124, 136, 155, 170, 187, 200, 220, 248, 275, 289, 310, 340, 341, 374, 425, 440, 527, 550, 578, 620, 680, 682, 748, 775, 850, 935, 1054, 1100, 1156, 1240, 1364, 1445, 1496, 1550, 1700, 1705, 1870, 2108, 2200, 2312, 2635, 2728, 2890, 3100, 3179, 3400, 3410, 3740, 4216, 4675, 5270, 5780, 5797, 6200, 6358, 6820, 7225, 7480, 8525, 8959, 9350, 10540, 11560, 11594, 12716, 13175, 13640, 14450, 15895, 17050, 17918, 18700, 21080, 23188, 25432, 26350, 28900, 28985, 31790, 34100, 35836, 37400, 44795, 46376, 52700, 57800, 57970, 63580, 68200, 71672, 79475, 89590, 98549, 105400, 115940, 127160, 144925, 158950, 179180, 197098, 223975, 231880, 289850, 317900, 358360, 394196, 447950, 492745, 579700, 635800, 788392, 895900, 985490, 1159400, 1791800, 1970980, 2463725, 3941960, 4927450, 9854900, 19709800]

約数ペア:

[(1, 19709800), (2, 9854900), (4, 4927450), (5, 3941960), (8, 2463725), (10, 1970980), (11, 1791800), (17, 1159400), (20, 985490), (22, 895900), (25, 788392), (31, 635800), (34, 579700), (40, 492745), (44, 447950), (50, 394196), (55, 358360), (62, 317900), (68, 289850), (85, 231880), (88, 223975), (100, 197098), (110, 179180), (124, 158950), (136, 144925), (155, 127160), (170, 115940), (187, 105400), (200, 98549), (220, 89590), (248, 79475), (275, 71672), (289, 68200), (310, 63580), (340, 57970), (341, 57800), (374, 52700), (425, 46376), (440, 44795), (527, 37400), (550, 35836), (578, 34100), (620, 31790), (680, 28985), (682, 28900), (748, 26350), (775, 25432), (850, 23188), (935, 21080), (1054, 18700), (1100, 17918), (1156, 17050), (1240, 15895), (1364, 14450), (1445, 13640), (1496, 13175), (1550, 12716), (1700, 11594), (1705, 11560), (1870, 10540), (2108, 9350), (2200, 8959), (2312, 8525), (2635, 7480), (2728, 7225), (2890, 6820), (3100, 6358), (3179, 6200), (3400, 5797), (3410, 5780), (3740, 5270), (4216, 4675)]