631667820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{214853}}^1$

素因数の和:214879

約数の個数: 72

約数和(自身を含む): 2057441904

約数和(自身を除く): 1425774084

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 214853, 429706, 644559, 859412, 1074265, 1289118, 1503971, 2148530, 2578236, 3007942, 3222795, 4297060, 4511913, 6015884, 6445590, 7519855, 9023826, 10527797, 12891180, 15039710, 18047652, 21055594, 22559565, 30079420, 31583391, 42111188, 45119130, 52638985, 63166782, 90238260, 105277970, 126333564, 157916955, 210555940, 315833910, 631667820]

約数ペア:

[(1, 631667820), (2, 315833910), (3, 210555940), (4, 157916955), (5, 126333564), (6, 105277970), (7, 90238260), (10, 63166782), (12, 52638985), (14, 45119130), (15, 42111188), (20, 31583391), (21, 30079420), (28, 22559565), (30, 21055594), (35, 18047652), (42, 15039710), (49, 12891180), (60, 10527797), (70, 9023826), (84, 7519855), (98, 6445590), (105, 6015884), (140, 4511913), (147, 4297060), (196, 3222795), (210, 3007942), (245, 2578236), (294, 2148530), (420, 1503971), (490, 1289118), (588, 1074265), (735, 859412), (980, 644559), (1470, 429706), (2940, 214853)]