30998990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{137}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 65458368

約数和(自身を除く): 34459378

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 121, 137, 170, 187, 242, 274, 374, 605, 685, 935, 1210, 1331, 1370, 1507, 1870, 2057, 2329, 2662, 3014, 4114, 4658, 6655, 7535, 10285, 11645, 13310, 15070, 16577, 20570, 22627, 23290, 25619, 33154, 45254, 51238, 82885, 113135, 128095, 165770, 182347, 226270, 256190, 281809, 364694, 563618, 911735, 1409045, 1823470, 2818090, 3099899, 6199798, 15499495, 30998990]

約数ペア:

[(1, 30998990), (2, 15499495), (5, 6199798), (10, 3099899), (11, 2818090), (17, 1823470), (22, 1409045), (34, 911735), (55, 563618), (85, 364694), (110, 281809), (121, 256190), (137, 226270), (170, 182347), (187, 165770), (242, 128095), (274, 113135), (374, 82885), (605, 51238), (685, 45254), (935, 33154), (1210, 25619), (1331, 23290), (1370, 22627), (1507, 20570), (1870, 16577), (2057, 15070), (2329, 13310), (2662, 11645), (3014, 10285), (4114, 7535), (4658, 6655)]