78294520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1187}}^1$

素因数の和:1312

約数の個数: 64

約数和(自身を含む): 188606880

約数和(自身を除く): 110312360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 97, 136, 170, 194, 340, 388, 485, 680, 776, 970, 1187, 1649, 1940, 2374, 3298, 3880, 4748, 5935, 6596, 8245, 9496, 11870, 13192, 16490, 20179, 23740, 32980, 40358, 47480, 65960, 80716, 100895, 115139, 161432, 201790, 230278, 403580, 460556, 575695, 807160, 921112, 1151390, 1957363, 2302780, 3914726, 4605560, 7829452, 9786815, 15658904, 19573630, 39147260, 78294520]

約数ペア:

[(1, 78294520), (2, 39147260), (4, 19573630), (5, 15658904), (8, 9786815), (10, 7829452), (17, 4605560), (20, 3914726), (34, 2302780), (40, 1957363), (68, 1151390), (85, 921112), (97, 807160), (136, 575695), (170, 460556), (194, 403580), (340, 230278), (388, 201790), (485, 161432), (680, 115139), (776, 100895), (970, 80716), (1187, 65960), (1649, 47480), (1940, 40358), (2374, 32980), (3298, 23740), (3880, 20179), (4748, 16490), (5935, 13192), (6596, 11870), (8245, 9496)]