355377490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{541}}^1$

素因数の和:755

約数の個数: 64

約数和(自身を含む): 716792832

約数和(自身を除く): 361415342

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 163, 310, 326, 403, 541, 806, 815, 1082, 1630, 2015, 2119, 2705, 4030, 4238, 5053, 5410, 7033, 10106, 10595, 14066, 16771, 21190, 25265, 33542, 35165, 50530, 65689, 70330, 83855, 88183, 131378, 167710, 176366, 218023, 328445, 436046, 440915, 656890, 881830, 1090115, 1146379, 2180230, 2292758, 2733673, 5467346, 5731895, 11463790, 13668365, 27336730, 35537749, 71075498, 177688745, 355377490]

約数ペア:

[(1, 355377490), (2, 177688745), (5, 71075498), (10, 35537749), (13, 27336730), (26, 13668365), (31, 11463790), (62, 5731895), (65, 5467346), (130, 2733673), (155, 2292758), (163, 2180230), (310, 1146379), (326, 1090115), (403, 881830), (541, 656890), (806, 440915), (815, 436046), (1082, 328445), (1630, 218023), (2015, 176366), (2119, 167710), (2705, 131378), (4030, 88183), (4238, 83855), (5053, 70330), (5410, 65689), (7033, 50530), (10106, 35165), (10595, 33542), (14066, 25265), (16771, 21190)]