209888918780

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2069}}^1\times {\mathrm{44887}}^1$

素因数の和:47078

約数の個数: 48

約数和(自身を含む): 444892150080

約数和(自身を除く): 235003231300

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2069, 2260, 4138, 8276, 10345, 20690, 41380, 44887, 89774, 179548, 224435, 233797, 448870, 467594, 897740, 935188, 1168985, 2337970, 4675940, 5072231, 10144462, 20288924, 25361155, 50722310, 92871203, 101444620, 185742406, 371484812, 464356015, 928712030, 1857424060, 10494445939, 20988891878, 41977783756, 52472229695, 104944459390, 209888918780]

約数ペア:

[(1, 209888918780), (2, 104944459390), (4, 52472229695), (5, 41977783756), (10, 20988891878), (20, 10494445939), (113, 1857424060), (226, 928712030), (452, 464356015), (565, 371484812), (1130, 185742406), (2069, 101444620), (2260, 92871203), (4138, 50722310), (8276, 25361155), (10345, 20288924), (20690, 10144462), (41380, 5072231), (44887, 4675940), (89774, 2337970), (179548, 1168985), (224435, 935188), (233797, 897740), (448870, 467594)]