1790989040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{722173}}^1$

素因数の和:722217

約数の個数: 40

約数和(自身を含む): 4298379648

約数和(自身を除く): 2507390608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 722173, 1444346, 2888692, 3610865, 5777384, 7221730, 11554768, 14443460, 22387363, 28886920, 44774726, 57773840, 89549452, 111936815, 179098904, 223873630, 358197808, 447747260, 895494520, 1790989040]

約数ペア:

[(1, 1790989040), (2, 895494520), (4, 447747260), (5, 358197808), (8, 223873630), (10, 179098904), (16, 111936815), (20, 89549452), (31, 57773840), (40, 44774726), (62, 28886920), (80, 22387363), (124, 14443460), (155, 11554768), (248, 7221730), (310, 5777384), (496, 3610865), (620, 2888692), (1240, 1444346), (2480, 722173)]