51112900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 117742464

約数和(自身を除く): 66629564

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 71, 92, 100, 115, 142, 230, 284, 313, 355, 460, 575, 626, 710, 1150, 1252, 1420, 1565, 1633, 1775, 2300, 3130, 3266, 3550, 6260, 6532, 7100, 7199, 7825, 8165, 14398, 15650, 16330, 22223, 28796, 31300, 32660, 35995, 40825, 44446, 71990, 81650, 88892, 111115, 143980, 163300, 179975, 222230, 359950, 444460, 511129, 555575, 719900, 1022258, 1111150, 2044516, 2222300, 2555645, 5111290, 10222580, 12778225, 25556450, 51112900]

約数ペア:

[(1, 51112900), (2, 25556450), (4, 12778225), (5, 10222580), (10, 5111290), (20, 2555645), (23, 2222300), (25, 2044516), (46, 1111150), (50, 1022258), (71, 719900), (92, 555575), (100, 511129), (115, 444460), (142, 359950), (230, 222230), (284, 179975), (313, 163300), (355, 143980), (460, 111115), (575, 88892), (626, 81650), (710, 71990), (1150, 44446), (1252, 40825), (1420, 35995), (1565, 32660), (1633, 31300), (1775, 28796), (2300, 22223), (3130, 16330), (3266, 15650), (3550, 14398), (6260, 8165), (6532, 7825), (7100, 7199)]