208770860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{6173}}^1$

素因数の和:6290

約数の個数: 48

約数和(自身を含む): 466754400

約数和(自身を除く): 257983540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 89, 95, 178, 190, 356, 380, 445, 890, 1691, 1780, 3382, 6173, 6764, 8455, 12346, 16910, 24692, 30865, 33820, 61730, 117287, 123460, 234574, 469148, 549397, 586435, 1098794, 1172870, 2197588, 2345740, 2746985, 5493970, 10438543, 10987940, 20877086, 41754172, 52192715, 104385430, 208770860]

約数ペア:

[(1, 208770860), (2, 104385430), (4, 52192715), (5, 41754172), (10, 20877086), (19, 10987940), (20, 10438543), (38, 5493970), (76, 2746985), (89, 2345740), (95, 2197588), (178, 1172870), (190, 1098794), (356, 586435), (380, 549397), (445, 469148), (890, 234574), (1691, 123460), (1780, 117287), (3382, 61730), (6173, 33820), (6764, 30865), (8455, 24692), (12346, 16910)]