30380980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1069}}^1$

素因数の和:1121

約数の個数: 72

約数和(自身を含む): 76847400

約数和(自身を除く): 46466420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1069, 1421, 2030, 2138, 2842, 4060, 4276, 5345, 5684, 7105, 7483, 10690, 14210, 14966, 21380, 28420, 29932, 31001, 37415, 52381, 62002, 74830, 104762, 124004, 149660, 155005, 209524, 217007, 261905, 310010, 434014, 523810, 620020, 868028, 1047620, 1085035, 1519049, 2170070, 3038098, 4340140, 6076196, 7595245, 15190490, 30380980]

約数ペア:

[(1, 30380980), (2, 15190490), (4, 7595245), (5, 6076196), (7, 4340140), (10, 3038098), (14, 2170070), (20, 1519049), (28, 1085035), (29, 1047620), (35, 868028), (49, 620020), (58, 523810), (70, 434014), (98, 310010), (116, 261905), (140, 217007), (145, 209524), (196, 155005), (203, 149660), (245, 124004), (290, 104762), (406, 74830), (490, 62002), (580, 52381), (812, 37415), (980, 31001), (1015, 29932), (1069, 28420), (1421, 21380), (2030, 14966), (2138, 14210), (2842, 10690), (4060, 7483), (4276, 7105), (5345, 5684)]