254133040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14639}}^1$

素因数の和:14690

約数の個数: 80

約数和(自身を含む): 697098240

約数和(自身を除く): 442965200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 8680, 14639, 17360, 29278, 58556, 73195, 102473, 117112, 146390, 204946, 234224, 292780, 409892, 453809, 512365, 585560, 819784, 907618, 1024730, 1171120, 1639568, 1815236, 2049460, 2269045, 3176663, 3630472, 4098920, 4538090, 6353326, 7260944, 8197840, 9076180, 12706652, 15883315, 18152360, 25413304, 31766630, 36304720, 50826608, 63533260, 127066520, 254133040]

約数ペア:

[(1, 254133040), (2, 127066520), (4, 63533260), (5, 50826608), (7, 36304720), (8, 31766630), (10, 25413304), (14, 18152360), (16, 15883315), (20, 12706652), (28, 9076180), (31, 8197840), (35, 7260944), (40, 6353326), (56, 4538090), (62, 4098920), (70, 3630472), (80, 3176663), (112, 2269045), (124, 2049460), (140, 1815236), (155, 1639568), (217, 1171120), (248, 1024730), (280, 907618), (310, 819784), (434, 585560), (496, 512365), (560, 453809), (620, 409892), (868, 292780), (1085, 234224), (1240, 204946), (1736, 146390), (2170, 117112), (2480, 102473), (3472, 73195), (4340, 58556), (8680, 29278), (14639, 17360)]