2021468150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{7717}}^1$

素因数の和:7786

約数の個数: 72

約数和(自身を含む): 4203284544

約数和(自身を除く): 2181816394

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 169, 310, 325, 338, 403, 650, 775, 806, 845, 1550, 1690, 2015, 4030, 4225, 5239, 7717, 8450, 10075, 10478, 15434, 20150, 26195, 38585, 52390, 77170, 100321, 130975, 192925, 200642, 239227, 261950, 385850, 478454, 501605, 1003210, 1196135, 1304173, 2392270, 2508025, 2608346, 3109951, 5016050, 5980675, 6219902, 6520865, 11961350, 13041730, 15549755, 31099510, 32604325, 40429363, 65208650, 77748775, 80858726, 155497550, 202146815, 404293630, 1010734075, 2021468150]

約数ペア:

[(1, 2021468150), (2, 1010734075), (5, 404293630), (10, 202146815), (13, 155497550), (25, 80858726), (26, 77748775), (31, 65208650), (50, 40429363), (62, 32604325), (65, 31099510), (130, 15549755), (155, 13041730), (169, 11961350), (310, 6520865), (325, 6219902), (338, 5980675), (403, 5016050), (650, 3109951), (775, 2608346), (806, 2508025), (845, 2392270), (1550, 1304173), (1690, 1196135), (2015, 1003210), (4030, 501605), (4225, 478454), (5239, 385850), (7717, 261950), (8450, 239227), (10075, 200642), (10478, 192925), (15434, 130975), (20150, 100321), (26195, 77170), (38585, 52390)]