120669980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{1019}}^1$

素因数の和:1250

約数の個数: 48

約数和(自身を含む): 263208960

約数和(自身を除く): 142538980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 191, 310, 382, 620, 764, 955, 1019, 1910, 2038, 3820, 4076, 5095, 5921, 10190, 11842, 20380, 23684, 29605, 31589, 59210, 63178, 118420, 126356, 157945, 194629, 315890, 389258, 631780, 778516, 973145, 1946290, 3892580, 6033499, 12066998, 24133996, 30167495, 60334990, 120669980]

約数ペア:

[(1, 120669980), (2, 60334990), (4, 30167495), (5, 24133996), (10, 12066998), (20, 6033499), (31, 3892580), (62, 1946290), (124, 973145), (155, 778516), (191, 631780), (310, 389258), (382, 315890), (620, 194629), (764, 157945), (955, 126356), (1019, 118420), (1910, 63178), (2038, 59210), (3820, 31589), (4076, 29605), (5095, 23684), (5921, 20380), (10190, 11842)]