40990460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{277}}^1$

素因数の和:451

約数の個数: 72

約数和(自身を含む): 101160864

約数和(自身を除く): 60170404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 151, 196, 245, 277, 302, 490, 554, 604, 755, 980, 1057, 1108, 1385, 1510, 1939, 2114, 2770, 3020, 3878, 4228, 5285, 5540, 7399, 7756, 9695, 10570, 13573, 14798, 19390, 21140, 27146, 29596, 36995, 38780, 41827, 54292, 67865, 73990, 83654, 135730, 147980, 167308, 209135, 271460, 292789, 418270, 585578, 836540, 1171156, 1463945, 2049523, 2927890, 4099046, 5855780, 8198092, 10247615, 20495230, 40990460]

約数ペア:

[(1, 40990460), (2, 20495230), (4, 10247615), (5, 8198092), (7, 5855780), (10, 4099046), (14, 2927890), (20, 2049523), (28, 1463945), (35, 1171156), (49, 836540), (70, 585578), (98, 418270), (140, 292789), (151, 271460), (196, 209135), (245, 167308), (277, 147980), (302, 135730), (490, 83654), (554, 73990), (604, 67865), (755, 54292), (980, 41827), (1057, 38780), (1108, 36995), (1385, 29596), (1510, 27146), (1939, 21140), (2114, 19390), (2770, 14798), (3020, 13573), (3878, 10570), (4228, 9695), (5285, 7756), (5540, 7399)]