212258240

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21397}}^1$

素因数の和:21445

約数の個数: 56

約数和(自身を含む): 521768832

約数和(自身を除く): 309510592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 21397, 42794, 85588, 106985, 171176, 213970, 342352, 427940, 663307, 684704, 855880, 1326614, 1369408, 1711760, 2653228, 3316535, 3423520, 5306456, 6633070, 6847040, 10612912, 13266140, 21225824, 26532280, 42451648, 53064560, 106129120, 212258240]

約数ペア:

[(1, 212258240), (2, 106129120), (4, 53064560), (5, 42451648), (8, 26532280), (10, 21225824), (16, 13266140), (20, 10612912), (31, 6847040), (32, 6633070), (40, 5306456), (62, 3423520), (64, 3316535), (80, 2653228), (124, 1711760), (155, 1369408), (160, 1326614), (248, 855880), (310, 684704), (320, 663307), (496, 427940), (620, 342352), (992, 213970), (1240, 171176), (1984, 106985), (2480, 85588), (4960, 42794), (9920, 21397)]