3999700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 9499392

約数和(自身を除く): 5499692

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 37, 46, 47, 50, 74, 92, 94, 100, 115, 148, 185, 188, 230, 235, 370, 460, 470, 575, 740, 851, 925, 940, 1081, 1150, 1175, 1702, 1739, 1850, 2162, 2300, 2350, 3404, 3478, 3700, 4255, 4324, 4700, 5405, 6956, 8510, 8695, 10810, 17020, 17390, 21275, 21620, 27025, 34780, 39997, 42550, 43475, 54050, 79994, 85100, 86950, 108100, 159988, 173900, 199985, 399970, 799940, 999925, 1999850, 3999700]

約数ペア:

[(1, 3999700), (2, 1999850), (4, 999925), (5, 799940), (10, 399970), (20, 199985), (23, 173900), (25, 159988), (37, 108100), (46, 86950), (47, 85100), (50, 79994), (74, 54050), (92, 43475), (94, 42550), (100, 39997), (115, 34780), (148, 27025), (185, 21620), (188, 21275), (230, 17390), (235, 17020), (370, 10810), (460, 8695), (470, 8510), (575, 6956), (740, 5405), (851, 4700), (925, 4324), (940, 4255), (1081, 3700), (1150, 3478), (1175, 3404), (1702, 2350), (1739, 2300), (1850, 2162)]