102900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^3$

素因数の和:38

約数の個数: 72

約数和(自身を含む): 347200

約数和(自身を除く): 244300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 140, 147, 150, 175, 196, 210, 245, 294, 300, 343, 350, 420, 490, 525, 588, 686, 700, 735, 980, 1029, 1050, 1225, 1372, 1470, 1715, 2058, 2100, 2450, 2940, 3430, 3675, 4116, 4900, 5145, 6860, 7350, 8575, 10290, 14700, 17150, 20580, 25725, 34300, 51450, 102900]

約数ペア:

[(1, 102900), (2, 51450), (3, 34300), (4, 25725), (5, 20580), (6, 17150), (7, 14700), (10, 10290), (12, 8575), (14, 7350), (15, 6860), (20, 5145), (21, 4900), (25, 4116), (28, 3675), (30, 3430), (35, 2940), (42, 2450), (49, 2100), (50, 2058), (60, 1715), (70, 1470), (75, 1372), (84, 1225), (98, 1050), (100, 1029), (105, 980), (140, 735), (147, 700), (150, 686), (175, 588), (196, 525), (210, 490), (245, 420), (294, 350), (300, 343)]