249575300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:558

約数の個数: 144

約数和(自身を含む): 645708672

約数和(自身を除く): 396133372

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 23, 25, 26, 34, 46, 50, 52, 65, 68, 85, 92, 100, 115, 130, 170, 221, 230, 260, 299, 325, 340, 391, 425, 442, 460, 491, 575, 598, 650, 782, 850, 884, 982, 1105, 1150, 1196, 1300, 1495, 1564, 1700, 1955, 1964, 2210, 2300, 2455, 2990, 3910, 4420, 4910, 5083, 5525, 5980, 6383, 7475, 7820, 8347, 9775, 9820, 10166, 11050, 11293, 12275, 12766, 14950, 16694, 19550, 20332, 22100, 22586, 24550, 25415, 25532, 29900, 31915, 33388, 39100, 41735, 45172, 49100, 50830, 56465, 63830, 83470, 101660, 108511, 112930, 127075, 127660, 146809, 159575, 166940, 191981, 208675, 217022, 225860, 254150, 282325, 293618, 319150, 383962, 417350, 434044, 508300, 542555, 564650, 587236, 638300, 734045, 767924, 834700, 959905, 1085110, 1129300, 1468090, 1919810, 2170220, 2495753, 2712775, 2936180, 3670225, 3839620, 4799525, 4991506, 5425550, 7340450, 9599050, 9983012, 10851100, 12478765, 14680900, 19198100, 24957530, 49915060, 62393825, 124787650, 249575300]

約数ペア:

[(1, 249575300), (2, 124787650), (4, 62393825), (5, 49915060), (10, 24957530), (13, 19198100), (17, 14680900), (20, 12478765), (23, 10851100), (25, 9983012), (26, 9599050), (34, 7340450), (46, 5425550), (50, 4991506), (52, 4799525), (65, 3839620), (68, 3670225), (85, 2936180), (92, 2712775), (100, 2495753), (115, 2170220), (130, 1919810), (170, 1468090), (221, 1129300), (230, 1085110), (260, 959905), (299, 834700), (325, 767924), (340, 734045), (391, 638300), (425, 587236), (442, 564650), (460, 542555), (491, 508300), (575, 434044), (598, 417350), (650, 383962), (782, 319150), (850, 293618), (884, 282325), (982, 254150), (1105, 225860), (1150, 217022), (1196, 208675), (1300, 191981), (1495, 166940), (1564, 159575), (1700, 146809), (1955, 127660), (1964, 127075), (2210, 112930), (2300, 108511), (2455, 101660), (2990, 83470), (3910, 63830), (4420, 56465), (4910, 50830), (5083, 49100), (5525, 45172), (5980, 41735), (6383, 39100), (7475, 33388), (7820, 31915), (8347, 29900), (9775, 25532), (9820, 25415), (10166, 24550), (11050, 22586), (11293, 22100), (12275, 20332), (12766, 19550), (14950, 16694)]