208403680

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4507}}^1$

素因数の和:4556

約数の個数: 72

約数和(自身を含む): 523135368

約数和(自身を除く): 314731688

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 578, 680, 1156, 1360, 1445, 2312, 2720, 2890, 4507, 4624, 5780, 9014, 9248, 11560, 18028, 22535, 23120, 36056, 45070, 46240, 72112, 76619, 90140, 144224, 153238, 180280, 306476, 360560, 383095, 612952, 721120, 766190, 1225904, 1302523, 1532380, 2451808, 2605046, 3064760, 5210092, 6129520, 6512615, 10420184, 12259040, 13025230, 20840368, 26050460, 41680736, 52100920, 104201840, 208403680]

約数ペア:

[(1, 208403680), (2, 104201840), (4, 52100920), (5, 41680736), (8, 26050460), (10, 20840368), (16, 13025230), (17, 12259040), (20, 10420184), (32, 6512615), (34, 6129520), (40, 5210092), (68, 3064760), (80, 2605046), (85, 2451808), (136, 1532380), (160, 1302523), (170, 1225904), (272, 766190), (289, 721120), (340, 612952), (544, 383095), (578, 360560), (680, 306476), (1156, 180280), (1360, 153238), (1445, 144224), (2312, 90140), (2720, 76619), (2890, 72112), (4507, 46240), (4624, 45070), (5780, 36056), (9014, 23120), (9248, 22535), (11560, 18028)]