31079300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1531}}^1$

素因数の和:1581

約数の個数: 72

約数和(自身を含む): 79786560

約数和(自身を除く): 48707260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 140, 145, 175, 203, 290, 350, 406, 580, 700, 725, 812, 1015, 1450, 1531, 2030, 2900, 3062, 4060, 5075, 6124, 7655, 10150, 10717, 15310, 20300, 21434, 30620, 38275, 42868, 44399, 53585, 76550, 88798, 107170, 153100, 177596, 214340, 221995, 267925, 310793, 443990, 535850, 621586, 887980, 1071700, 1109975, 1243172, 1553965, 2219950, 3107930, 4439900, 6215860, 7769825, 15539650, 31079300]

約数ペア:

[(1, 31079300), (2, 15539650), (4, 7769825), (5, 6215860), (7, 4439900), (10, 3107930), (14, 2219950), (20, 1553965), (25, 1243172), (28, 1109975), (29, 1071700), (35, 887980), (50, 621586), (58, 535850), (70, 443990), (100, 310793), (116, 267925), (140, 221995), (145, 214340), (175, 177596), (203, 153100), (290, 107170), (350, 88798), (406, 76550), (580, 53585), (700, 44399), (725, 42868), (812, 38275), (1015, 30620), (1450, 21434), (1531, 20300), (2030, 15310), (2900, 10717), (3062, 10150), (4060, 7655), (5075, 6124)]