890406450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{487}}^1$

素因数の和:761

約数の個数: 144

約数和(自身を含む): 2548765440

約数和(自身を除く): 1658358990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 30, 34, 45, 50, 51, 75, 85, 90, 102, 150, 153, 170, 225, 239, 255, 306, 425, 450, 478, 487, 510, 717, 765, 850, 974, 1195, 1275, 1434, 1461, 1530, 2151, 2390, 2435, 2550, 2922, 3585, 3825, 4063, 4302, 4383, 4870, 5975, 7170, 7305, 7650, 8126, 8279, 8766, 10755, 11950, 12175, 12189, 14610, 16558, 17925, 20315, 21510, 21915, 24350, 24378, 24837, 35850, 36525, 36567, 40630, 41395, 43830, 49674, 53775, 60945, 73050, 73134, 74511, 82790, 101575, 107550, 109575, 116393, 121890, 124185, 149022, 182835, 203150, 206975, 219150, 232786, 248370, 304725, 349179, 365670, 372555, 413950, 581965, 609450, 620925, 698358, 745110, 914175, 1047537, 1163930, 1241850, 1745895, 1828350, 1862775, 1978681, 2095074, 2909825, 3491790, 3725550, 3957362, 5237685, 5819650, 5936043, 8729475, 9893405, 10475370, 11872086, 17458950, 17808129, 19786810, 26188425, 29680215, 35616258, 49467025, 52376850, 59360430, 89040645, 98934050, 148401075, 178081290, 296802150, 445203225, 890406450]

約数ペア:

[(1, 890406450), (2, 445203225), (3, 296802150), (5, 178081290), (6, 148401075), (9, 98934050), (10, 89040645), (15, 59360430), (17, 52376850), (18, 49467025), (25, 35616258), (30, 29680215), (34, 26188425), (45, 19786810), (50, 17808129), (51, 17458950), (75, 11872086), (85, 10475370), (90, 9893405), (102, 8729475), (150, 5936043), (153, 5819650), (170, 5237685), (225, 3957362), (239, 3725550), (255, 3491790), (306, 2909825), (425, 2095074), (450, 1978681), (478, 1862775), (487, 1828350), (510, 1745895), (717, 1241850), (765, 1163930), (850, 1047537), (974, 914175), (1195, 745110), (1275, 698358), (1434, 620925), (1461, 609450), (1530, 581965), (2151, 413950), (2390, 372555), (2435, 365670), (2550, 349179), (2922, 304725), (3585, 248370), (3825, 232786), (4063, 219150), (4302, 206975), (4383, 203150), (4870, 182835), (5975, 149022), (7170, 124185), (7305, 121890), (7650, 116393), (8126, 109575), (8279, 107550), (8766, 101575), (10755, 82790), (11950, 74511), (12175, 73134), (12189, 73050), (14610, 60945), (16558, 53775), (17925, 49674), (20315, 43830), (21510, 41395), (21915, 40630), (24350, 36567), (24378, 36525), (24837, 35850)]