200978080

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2066

約数の個数: 96

約数和(自身を含む): 516586896

約数和(自身を除く): 315608816

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 37, 40, 68, 74, 80, 85, 136, 148, 160, 170, 185, 272, 296, 340, 370, 544, 592, 629, 680, 740, 1184, 1258, 1360, 1480, 1997, 2516, 2720, 2960, 3145, 3994, 5032, 5920, 6290, 7988, 9985, 10064, 12580, 15976, 19970, 20128, 25160, 31952, 33949, 39940, 50320, 63904, 67898, 73889, 79880, 100640, 135796, 147778, 159760, 169745, 271592, 295556, 319520, 339490, 369445, 543184, 591112, 678980, 738890, 1086368, 1182224, 1256113, 1357960, 1477780, 2364448, 2512226, 2715920, 2955560, 5024452, 5431840, 5911120, 6280565, 10048904, 11822240, 12561130, 20097808, 25122260, 40195616, 50244520, 100489040, 200978080]

約数ペア:

[(1, 200978080), (2, 100489040), (4, 50244520), (5, 40195616), (8, 25122260), (10, 20097808), (16, 12561130), (17, 11822240), (20, 10048904), (32, 6280565), (34, 5911120), (37, 5431840), (40, 5024452), (68, 2955560), (74, 2715920), (80, 2512226), (85, 2364448), (136, 1477780), (148, 1357960), (160, 1256113), (170, 1182224), (185, 1086368), (272, 738890), (296, 678980), (340, 591112), (370, 543184), (544, 369445), (592, 339490), (629, 319520), (680, 295556), (740, 271592), (1184, 169745), (1258, 159760), (1360, 147778), (1480, 135796), (1997, 100640), (2516, 79880), (2720, 73889), (2960, 67898), (3145, 63904), (3994, 50320), (5032, 39940), (5920, 33949), (6290, 31952), (7988, 25160), (9985, 20128), (10064, 19970), (12580, 15976)]