28872400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 120

約数和(自身を含む): 76111200

約数和(自身を除く): 47238800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 29, 38, 40, 50, 58, 76, 80, 95, 100, 116, 131, 145, 152, 190, 200, 232, 262, 290, 304, 380, 400, 464, 475, 524, 551, 580, 655, 725, 760, 950, 1048, 1102, 1160, 1310, 1450, 1520, 1900, 2096, 2204, 2320, 2489, 2620, 2755, 2900, 3275, 3799, 3800, 4408, 4978, 5240, 5510, 5800, 6550, 7598, 7600, 8816, 9956, 10480, 11020, 11600, 12445, 13100, 13775, 15196, 18995, 19912, 22040, 24890, 26200, 27550, 30392, 37990, 39824, 44080, 49780, 52400, 55100, 60784, 62225, 72181, 75980, 94975, 99560, 110200, 124450, 144362, 151960, 189950, 199120, 220400, 248900, 288724, 303920, 360905, 379900, 497800, 577448, 721810, 759800, 995600, 1154896, 1443620, 1519600, 1804525, 2887240, 3609050, 5774480, 7218100, 14436200, 28872400]

約数ペア:

[(1, 28872400), (2, 14436200), (4, 7218100), (5, 5774480), (8, 3609050), (10, 2887240), (16, 1804525), (19, 1519600), (20, 1443620), (25, 1154896), (29, 995600), (38, 759800), (40, 721810), (50, 577448), (58, 497800), (76, 379900), (80, 360905), (95, 303920), (100, 288724), (116, 248900), (131, 220400), (145, 199120), (152, 189950), (190, 151960), (200, 144362), (232, 124450), (262, 110200), (290, 99560), (304, 94975), (380, 75980), (400, 72181), (464, 62225), (475, 60784), (524, 55100), (551, 52400), (580, 49780), (655, 44080), (725, 39824), (760, 37990), (950, 30392), (1048, 27550), (1102, 26200), (1160, 24890), (1310, 22040), (1450, 19912), (1520, 18995), (1900, 15196), (2096, 13775), (2204, 13100), (2320, 12445), (2489, 11600), (2620, 11020), (2755, 10480), (2900, 9956), (3275, 8816), (3799, 7600), (3800, 7598), (4408, 6550), (4978, 5800), (5240, 5510)]