208799420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{599}}^1\times {\mathrm{601}}^1$

素因数の和:1238

約数の個数: 48

約数和(自身を含む): 455112000

約数和(自身を除く): 246312580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 599, 601, 1198, 1202, 2396, 2404, 2995, 3005, 5990, 6010, 11980, 12020, 17371, 17429, 34742, 34858, 69484, 69716, 86855, 87145, 173710, 174290, 347420, 348580, 359999, 719998, 1439996, 1799995, 3599990, 7199980, 10439971, 20879942, 41759884, 52199855, 104399710, 208799420]

約数ペア:

[(1, 208799420), (2, 104399710), (4, 52199855), (5, 41759884), (10, 20879942), (20, 10439971), (29, 7199980), (58, 3599990), (116, 1799995), (145, 1439996), (290, 719998), (580, 359999), (599, 348580), (601, 347420), (1198, 174290), (1202, 173710), (2396, 87145), (2404, 86855), (2995, 69716), (3005, 69484), (5990, 34858), (6010, 34742), (11980, 17429), (12020, 17371)]