30101000

素因数分解:

$2^3\times 5^3\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1023

約数の個数: 64

約数和(自身を含む): 72783360

約数和(自身を除く): 42682360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 125, 155, 200, 248, 250, 310, 500, 620, 775, 971, 1000, 1240, 1550, 1942, 3100, 3875, 3884, 4855, 6200, 7750, 7768, 9710, 15500, 19420, 24275, 30101, 31000, 38840, 48550, 60202, 97100, 120404, 121375, 150505, 194200, 240808, 242750, 301010, 485500, 602020, 752525, 971000, 1204040, 1505050, 3010100, 3762625, 6020200, 7525250, 15050500, 30101000]

約数ペア:

[(1, 30101000), (2, 15050500), (4, 7525250), (5, 6020200), (8, 3762625), (10, 3010100), (20, 1505050), (25, 1204040), (31, 971000), (40, 752525), (50, 602020), (62, 485500), (100, 301010), (124, 242750), (125, 240808), (155, 194200), (200, 150505), (248, 121375), (250, 120404), (310, 97100), (500, 60202), (620, 48550), (775, 38840), (971, 31000), (1000, 30101), (1240, 24275), (1550, 19420), (1942, 15500), (3100, 9710), (3875, 7768), (3884, 7750), (4855, 6200)]