28471485750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1997999}}^1$

素因数の和:1998038

約数の個数: 64

約数和(自身を含む): 74805120000

約数和(自身を除く): 46333634250

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 95, 114, 125, 150, 190, 250, 285, 375, 475, 570, 750, 950, 1425, 2375, 2850, 4750, 7125, 14250, 1997999, 3995998, 5993997, 9989995, 11987994, 19979990, 29969985, 37961981, 49949975, 59939970, 75923962, 99899950, 113885943, 149849925, 189809905, 227771886, 249749875, 299699850, 379619810, 499499750, 569429715, 749249625, 949049525, 1138859430, 1498499250, 1898099050, 2847148575, 4745247625, 5694297150, 9490495250, 14235742875, 28471485750]

約数ペア:

[(1, 28471485750), (2, 14235742875), (3, 9490495250), (5, 5694297150), (6, 4745247625), (10, 2847148575), (15, 1898099050), (19, 1498499250), (25, 1138859430), (30, 949049525), (38, 749249625), (50, 569429715), (57, 499499750), (75, 379619810), (95, 299699850), (114, 249749875), (125, 227771886), (150, 189809905), (190, 149849925), (250, 113885943), (285, 99899950), (375, 75923962), (475, 59939970), (570, 49949975), (750, 37961981), (950, 29969985), (1425, 19979990), (2375, 11987994), (2850, 9989995), (4750, 5993997), (7125, 3995998), (14250, 1997999)]