214887040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10831}}^1$

素因数の和:10881

約数の個数: 64

約数和(自身を含む): 530334720

約数和(自身を除く): 315447680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 10831, 19840, 21662, 43324, 54155, 86648, 108310, 173296, 216620, 335761, 346592, 433240, 671522, 693184, 866480, 1343044, 1386368, 1678805, 1732960, 2686088, 3357610, 3465920, 5372176, 6715220, 6931840, 10744352, 13430440, 21488704, 26860880, 42977408, 53721760, 107443520, 214887040]

約数ペア:

[(1, 214887040), (2, 107443520), (4, 53721760), (5, 42977408), (8, 26860880), (10, 21488704), (16, 13430440), (20, 10744352), (31, 6931840), (32, 6715220), (40, 5372176), (62, 3465920), (64, 3357610), (80, 2686088), (124, 1732960), (128, 1678805), (155, 1386368), (160, 1343044), (248, 866480), (310, 693184), (320, 671522), (496, 433240), (620, 346592), (640, 335761), (992, 216620), (1240, 173296), (1984, 108310), (2480, 86648), (3968, 54155), (4960, 43324), (9920, 21662), (10831, 19840)]