201652180

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1\times {\mathrm{397}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 430269840

約数和(自身を除く): 228617660

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 233, 397, 436, 466, 545, 794, 932, 1090, 1165, 1588, 1985, 2180, 2330, 3970, 4660, 7940, 25397, 43273, 50794, 86546, 92501, 101588, 126985, 173092, 185002, 216365, 253970, 370004, 432730, 462505, 507940, 865460, 925010, 1850020, 10082609, 20165218, 40330436, 50413045, 100826090, 201652180]

約数ペア:

[(1, 201652180), (2, 100826090), (4, 50413045), (5, 40330436), (10, 20165218), (20, 10082609), (109, 1850020), (218, 925010), (233, 865460), (397, 507940), (436, 462505), (466, 432730), (545, 370004), (794, 253970), (932, 216365), (1090, 185002), (1165, 173092), (1588, 126985), (1985, 101588), (2180, 92501), (2330, 86546), (3970, 50794), (4660, 43273), (7940, 25397)]