6399400

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{653}}^1$

素因数の和:683

約数の個数: 72

約数和(自身を含む): 17334270

約数和(自身を除く): 10934870

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 653, 700, 980, 1225, 1306, 1400, 1960, 2450, 2612, 3265, 4571, 4900, 5224, 6530, 9142, 9800, 13060, 16325, 18284, 22855, 26120, 31997, 32650, 36568, 45710, 63994, 65300, 91420, 114275, 127988, 130600, 159985, 182840, 228550, 255976, 319970, 457100, 639940, 799925, 914200, 1279880, 1599850, 3199700, 6399400]

約数ペア:

[(1, 6399400), (2, 3199700), (4, 1599850), (5, 1279880), (7, 914200), (8, 799925), (10, 639940), (14, 457100), (20, 319970), (25, 255976), (28, 228550), (35, 182840), (40, 159985), (49, 130600), (50, 127988), (56, 114275), (70, 91420), (98, 65300), (100, 63994), (140, 45710), (175, 36568), (196, 32650), (200, 31997), (245, 26120), (280, 22855), (350, 18284), (392, 16325), (490, 13060), (653, 9800), (700, 9142), (980, 6530), (1225, 5224), (1306, 4900), (1400, 4571), (1960, 3265), (2450, 2612)]