9987810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 27648000

約数和(自身を除く): 17660190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 199, 210, 239, 398, 478, 597, 717, 995, 1194, 1195, 1393, 1434, 1673, 1990, 2390, 2786, 2985, 3346, 3585, 4179, 5019, 5970, 6965, 7170, 8358, 8365, 10038, 13930, 16730, 20895, 25095, 41790, 47561, 50190, 95122, 142683, 237805, 285366, 332927, 475610, 665854, 713415, 998781, 1426830, 1664635, 1997562, 3329270, 4993905, 9987810]

約数ペア:

[(1, 9987810), (2, 4993905), (3, 3329270), (5, 1997562), (6, 1664635), (7, 1426830), (10, 998781), (14, 713415), (15, 665854), (21, 475610), (30, 332927), (35, 285366), (42, 237805), (70, 142683), (105, 95122), (199, 50190), (210, 47561), (239, 41790), (398, 25095), (478, 20895), (597, 16730), (717, 13930), (995, 10038), (1194, 8365), (1195, 8358), (1393, 7170), (1434, 6965), (1673, 5970), (1990, 5019), (2390, 4179), (2786, 3585), (2985, 3346)]