4750820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 10750320

約数和(自身を除く): 5999500

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 89, 157, 170, 178, 314, 340, 356, 445, 628, 785, 890, 1513, 1570, 1780, 2669, 3026, 3140, 5338, 6052, 7565, 10676, 13345, 13973, 15130, 26690, 27946, 30260, 53380, 55892, 69865, 139730, 237541, 279460, 475082, 950164, 1187705, 2375410, 4750820]

約数ペア:

[(1, 4750820), (2, 2375410), (4, 1187705), (5, 950164), (10, 475082), (17, 279460), (20, 237541), (34, 139730), (68, 69865), (85, 55892), (89, 53380), (157, 30260), (170, 27946), (178, 26690), (314, 15130), (340, 13973), (356, 13345), (445, 10676), (628, 7565), (785, 6052), (890, 5338), (1513, 3140), (1570, 3026), (1780, 2669)]