5309740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 11944800

約数和(自身を除く): 6635060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 157, 178, 190, 314, 356, 380, 445, 628, 785, 890, 1570, 1691, 1780, 2983, 3140, 3382, 5966, 6764, 8455, 11932, 13973, 14915, 16910, 27946, 29830, 33820, 55892, 59660, 69865, 139730, 265487, 279460, 530974, 1061948, 1327435, 2654870, 5309740]

約数ペア:

[(1, 5309740), (2, 2654870), (4, 1327435), (5, 1061948), (10, 530974), (19, 279460), (20, 265487), (38, 139730), (76, 69865), (89, 59660), (95, 55892), (157, 33820), (178, 29830), (190, 27946), (314, 16910), (356, 14915), (380, 13973), (445, 11932), (628, 8455), (785, 6764), (890, 5966), (1570, 3382), (1691, 3140), (1780, 2983)]