8239700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 20832000

約数和(自身を除く): 12592300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 79, 100, 140, 149, 158, 175, 298, 316, 350, 395, 553, 596, 700, 745, 790, 1043, 1106, 1490, 1580, 1975, 2086, 2212, 2765, 2980, 3725, 3950, 4172, 5215, 5530, 7450, 7900, 10430, 11060, 11771, 13825, 14900, 20860, 23542, 26075, 27650, 47084, 52150, 55300, 58855, 82397, 104300, 117710, 164794, 235420, 294275, 329588, 411985, 588550, 823970, 1177100, 1647940, 2059925, 4119850, 8239700]

約数ペア:

[(1, 8239700), (2, 4119850), (4, 2059925), (5, 1647940), (7, 1177100), (10, 823970), (14, 588550), (20, 411985), (25, 329588), (28, 294275), (35, 235420), (50, 164794), (70, 117710), (79, 104300), (100, 82397), (140, 58855), (149, 55300), (158, 52150), (175, 47084), (298, 27650), (316, 26075), (350, 23542), (395, 20860), (553, 14900), (596, 13825), (700, 11771), (745, 11060), (790, 10430), (1043, 7900), (1106, 7450), (1490, 5530), (1580, 5215), (1975, 4172), (2086, 3950), (2212, 3725), (2765, 2980)]