290962100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20347}}^1$

素因数の和:20385

約数の個数: 72

約数和(自身を含む): 741806688

約数和(自身を除く): 450844588

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 130, 143, 220, 260, 275, 286, 325, 550, 572, 650, 715, 1100, 1300, 1430, 2860, 3575, 7150, 14300, 20347, 40694, 81388, 101735, 203470, 223817, 264511, 406940, 447634, 508675, 529022, 895268, 1017350, 1058044, 1119085, 1322555, 2034700, 2238170, 2645110, 2909621, 4476340, 5290220, 5595425, 5819242, 6612775, 11190850, 11638484, 13225550, 14548105, 22381700, 26451100, 29096210, 58192420, 72740525, 145481050, 290962100]

約数ペア:

[(1, 290962100), (2, 145481050), (4, 72740525), (5, 58192420), (10, 29096210), (11, 26451100), (13, 22381700), (20, 14548105), (22, 13225550), (25, 11638484), (26, 11190850), (44, 6612775), (50, 5819242), (52, 5595425), (55, 5290220), (65, 4476340), (100, 2909621), (110, 2645110), (130, 2238170), (143, 2034700), (220, 1322555), (260, 1119085), (275, 1058044), (286, 1017350), (325, 895268), (550, 529022), (572, 508675), (650, 447634), (715, 406940), (1100, 264511), (1300, 223817), (1430, 203470), (2860, 101735), (3575, 81388), (7150, 40694), (14300, 20347)]