31021300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{563}}^1$

素因数の和:625

約数の個数: 72

約数和(自身を含む): 73432800

約数和(自身を除く): 42411500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 29, 38, 50, 58, 76, 95, 100, 116, 145, 190, 290, 380, 475, 551, 563, 580, 725, 950, 1102, 1126, 1450, 1900, 2204, 2252, 2755, 2815, 2900, 5510, 5630, 10697, 11020, 11260, 13775, 14075, 16327, 21394, 27550, 28150, 32654, 42788, 53485, 55100, 56300, 65308, 81635, 106970, 163270, 213940, 267425, 310213, 326540, 408175, 534850, 620426, 816350, 1069700, 1240852, 1551065, 1632700, 3102130, 6204260, 7755325, 15510650, 31021300]

約数ペア:

[(1, 31021300), (2, 15510650), (4, 7755325), (5, 6204260), (10, 3102130), (19, 1632700), (20, 1551065), (25, 1240852), (29, 1069700), (38, 816350), (50, 620426), (58, 534850), (76, 408175), (95, 326540), (100, 310213), (116, 267425), (145, 213940), (190, 163270), (290, 106970), (380, 81635), (475, 65308), (551, 56300), (563, 55100), (580, 53485), (725, 42788), (950, 32654), (1102, 28150), (1126, 27550), (1450, 21394), (1900, 16327), (2204, 14075), (2252, 13775), (2755, 11260), (2815, 11020), (2900, 10697), (5510, 5630)]