138997120

素因数分解:

$2^7\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2239}}^1$

素因数の和:2355

約数の個数: 64

約数和(自身を含む): 335865600

約数和(自身を除く): 196868480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 320, 388, 485, 640, 776, 970, 1552, 1940, 2239, 3104, 3880, 4478, 6208, 7760, 8956, 11195, 12416, 15520, 17912, 22390, 31040, 35824, 44780, 62080, 71648, 89560, 143296, 179120, 217183, 286592, 358240, 434366, 716480, 868732, 1085915, 1432960, 1737464, 2171830, 3474928, 4343660, 6949856, 8687320, 13899712, 17374640, 27799424, 34749280, 69498560, 138997120]

約数ペア:

[(1, 138997120), (2, 69498560), (4, 34749280), (5, 27799424), (8, 17374640), (10, 13899712), (16, 8687320), (20, 6949856), (32, 4343660), (40, 3474928), (64, 2171830), (80, 1737464), (97, 1432960), (128, 1085915), (160, 868732), (194, 716480), (320, 434366), (388, 358240), (485, 286592), (640, 217183), (776, 179120), (970, 143296), (1552, 89560), (1940, 71648), (2239, 62080), (3104, 44780), (3880, 35824), (4478, 31040), (6208, 22390), (7760, 17912), (8956, 15520), (11195, 12416)]