808260980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1\times {\mathrm{2749}}^1$

素因数の和:3060

約数の個数: 48

約数和(自身を含む): 1732962000

約数和(自身を除く): 924701020

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 241, 244, 305, 482, 610, 964, 1205, 1220, 2410, 2749, 4820, 5498, 10996, 13745, 14701, 27490, 29402, 54980, 58804, 73505, 147010, 167689, 294020, 335378, 662509, 670756, 838445, 1325018, 1676890, 2650036, 3312545, 3353780, 6625090, 13250180, 40413049, 80826098, 161652196, 202065245, 404130490, 808260980]

約数ペア:

[(1, 808260980), (2, 404130490), (4, 202065245), (5, 161652196), (10, 80826098), (20, 40413049), (61, 13250180), (122, 6625090), (241, 3353780), (244, 3312545), (305, 2650036), (482, 1676890), (610, 1325018), (964, 838445), (1205, 670756), (1220, 662509), (2410, 335378), (2749, 294020), (4820, 167689), (5498, 147010), (10996, 73505), (13745, 58804), (14701, 54980), (27490, 29402)]