408366980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{14369}}^1$

素因数の和:14421

約数の個数: 72

約数和(自身を含む): 1032053400

約数和(自身を除く): 623686420

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, 1421, 2030, 2842, 4060, 5684, 7105, 14210, 14369, 28420, 28738, 57476, 71845, 100583, 143690, 201166, 287380, 402332, 416701, 502915, 704081, 833402, 1005830, 1408162, 1666804, 2011660, 2083505, 2816324, 2916907, 3520405, 4167010, 5833814, 7040810, 8334020, 11667628, 14081620, 14584535, 20418349, 29169070, 40836698, 58338140, 81673396, 102091745, 204183490, 408366980]

約数ペア:

[(1, 408366980), (2, 204183490), (4, 102091745), (5, 81673396), (7, 58338140), (10, 40836698), (14, 29169070), (20, 20418349), (28, 14584535), (29, 14081620), (35, 11667628), (49, 8334020), (58, 7040810), (70, 5833814), (98, 4167010), (116, 3520405), (140, 2916907), (145, 2816324), (196, 2083505), (203, 2011660), (245, 1666804), (290, 1408162), (406, 1005830), (490, 833402), (580, 704081), (812, 502915), (980, 416701), (1015, 402332), (1421, 287380), (2030, 201166), (2842, 143690), (4060, 100583), (5684, 71845), (7105, 57476), (14210, 28738), (14369, 28420)]