42955390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 83228688

約数和(自身を除く): 40273298

約数列:

[1, 2, 5, 10, 19, 38, 73, 95, 146, 163, 190, 326, 361, 365, 722, 730, 815, 1387, 1630, 1805, 2774, 3097, 3610, 6194, 6935, 11899, 13870, 15485, 23798, 26353, 30970, 52706, 58843, 59495, 117686, 118990, 131765, 226081, 263530, 294215, 452162, 588430, 1130405, 2260810, 4295539, 8591078, 21477695, 42955390]

約数ペア:

[(1, 42955390), (2, 21477695), (5, 8591078), (10, 4295539), (19, 2260810), (38, 1130405), (73, 588430), (95, 452162), (146, 294215), (163, 263530), (190, 226081), (326, 131765), (361, 118990), (365, 117686), (722, 59495), (730, 58843), (815, 52706), (1387, 30970), (1630, 26353), (1805, 23798), (2774, 15485), (3097, 13870), (3610, 11899), (6194, 6935)]