11920900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 27748224

約数和(自身を除く): 15827324

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 71, 73, 92, 100, 115, 142, 146, 230, 284, 292, 355, 365, 460, 575, 710, 730, 1150, 1420, 1460, 1633, 1679, 1775, 1825, 2300, 3266, 3358, 3550, 3650, 5183, 6532, 6716, 7100, 7300, 8165, 8395, 10366, 16330, 16790, 20732, 25915, 32660, 33580, 40825, 41975, 51830, 81650, 83950, 103660, 119209, 129575, 163300, 167900, 238418, 259150, 476836, 518300, 596045, 1192090, 2384180, 2980225, 5960450, 11920900]

約数ペア:

[(1, 11920900), (2, 5960450), (4, 2980225), (5, 2384180), (10, 1192090), (20, 596045), (23, 518300), (25, 476836), (46, 259150), (50, 238418), (71, 167900), (73, 163300), (92, 129575), (100, 119209), (115, 103660), (142, 83950), (146, 81650), (230, 51830), (284, 41975), (292, 40825), (355, 33580), (365, 32660), (460, 25915), (575, 20732), (710, 16790), (730, 16330), (1150, 10366), (1420, 8395), (1460, 8165), (1633, 7300), (1679, 7100), (1775, 6716), (1825, 6532), (2300, 5183), (3266, 3650), (3358, 3550)]