78889232140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1439}}^1\times {\mathrm{88423}}^1$

素因数の和:89902

約数の個数: 48

約数和(自身を含む): 171132272640

約数和(自身を除く): 92243040500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1439, 2878, 5756, 7195, 14390, 28780, 44609, 88423, 89218, 176846, 178436, 223045, 353692, 442115, 446090, 884230, 892180, 1768460, 2741113, 5482226, 10964452, 13705565, 27411130, 54822260, 127240697, 254481394, 508962788, 636203485, 1272406970, 2544813940, 3944461607, 7888923214, 15777846428, 19722308035, 39444616070, 78889232140]

約数ペア:

[(1, 78889232140), (2, 39444616070), (4, 19722308035), (5, 15777846428), (10, 7888923214), (20, 3944461607), (31, 2544813940), (62, 1272406970), (124, 636203485), (155, 508962788), (310, 254481394), (620, 127240697), (1439, 54822260), (2878, 27411130), (5756, 13705565), (7195, 10964452), (14390, 5482226), (28780, 2741113), (44609, 1768460), (88423, 892180), (89218, 884230), (176846, 446090), (178436, 442115), (223045, 353692)]