90495200

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:181

約数の個数: 144

約数和(自身を含む): 236234880

約数和(自身を除く): 145739680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 41, 50, 62, 80, 82, 89, 100, 124, 155, 160, 164, 178, 200, 205, 248, 310, 328, 356, 400, 410, 445, 496, 620, 656, 712, 775, 800, 820, 890, 992, 1025, 1240, 1271, 1312, 1424, 1550, 1640, 1780, 2050, 2225, 2480, 2542, 2759, 2848, 3100, 3280, 3560, 3649, 4100, 4450, 4960, 5084, 5518, 6200, 6355, 6560, 7120, 7298, 8200, 8900, 10168, 11036, 12400, 12710, 13795, 14240, 14596, 16400, 17800, 18245, 20336, 22072, 24800, 25420, 27590, 29192, 31775, 32800, 35600, 36490, 40672, 44144, 50840, 55180, 58384, 63550, 68975, 71200, 72980, 88288, 91225, 101680, 110360, 113119, 116768, 127100, 137950, 145960, 182450, 203360, 220720, 226238, 254200, 275900, 291920, 364900, 441440, 452476, 508400, 551800, 565595, 583840, 729800, 904952, 1016800, 1103600, 1131190, 1459600, 1809904, 2207200, 2262380, 2827975, 2919200, 3619808, 4524760, 5655950, 9049520, 11311900, 18099040, 22623800, 45247600, 90495200]

約数ペア:

[(1, 90495200), (2, 45247600), (4, 22623800), (5, 18099040), (8, 11311900), (10, 9049520), (16, 5655950), (20, 4524760), (25, 3619808), (31, 2919200), (32, 2827975), (40, 2262380), (41, 2207200), (50, 1809904), (62, 1459600), (80, 1131190), (82, 1103600), (89, 1016800), (100, 904952), (124, 729800), (155, 583840), (160, 565595), (164, 551800), (178, 508400), (200, 452476), (205, 441440), (248, 364900), (310, 291920), (328, 275900), (356, 254200), (400, 226238), (410, 220720), (445, 203360), (496, 182450), (620, 145960), (656, 137950), (712, 127100), (775, 116768), (800, 113119), (820, 110360), (890, 101680), (992, 91225), (1025, 88288), (1240, 72980), (1271, 71200), (1312, 68975), (1424, 63550), (1550, 58384), (1640, 55180), (1780, 50840), (2050, 44144), (2225, 40672), (2480, 36490), (2542, 35600), (2759, 32800), (2848, 31775), (3100, 29192), (3280, 27590), (3560, 25420), (3649, 24800), (4100, 22072), (4450, 20336), (4960, 18245), (5084, 17800), (5518, 16400), (6200, 14596), (6355, 14240), (6560, 13795), (7120, 12710), (7298, 12400), (8200, 11036), (8900, 10168)]