221731040

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{677}}^1$

素因数の和:804

約数の個数: 96

約数和(自身を含む): 553573440

約数和(自身を除く): 331842400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 89, 92, 115, 160, 178, 184, 230, 356, 368, 445, 460, 677, 712, 736, 890, 920, 1354, 1424, 1780, 1840, 2047, 2708, 2848, 3385, 3560, 3680, 4094, 5416, 6770, 7120, 8188, 10235, 10832, 13540, 14240, 15571, 16376, 20470, 21664, 27080, 31142, 32752, 40940, 54160, 60253, 62284, 65504, 77855, 81880, 108320, 120506, 124568, 155710, 163760, 241012, 249136, 301265, 311420, 327520, 482024, 498272, 602530, 622840, 964048, 1205060, 1245680, 1385819, 1928096, 2410120, 2491360, 2771638, 4820240, 5543276, 6929095, 9640480, 11086552, 13858190, 22173104, 27716380, 44346208, 55432760, 110865520, 221731040]

約数ペア:

[(1, 221731040), (2, 110865520), (4, 55432760), (5, 44346208), (8, 27716380), (10, 22173104), (16, 13858190), (20, 11086552), (23, 9640480), (32, 6929095), (40, 5543276), (46, 4820240), (80, 2771638), (89, 2491360), (92, 2410120), (115, 1928096), (160, 1385819), (178, 1245680), (184, 1205060), (230, 964048), (356, 622840), (368, 602530), (445, 498272), (460, 482024), (677, 327520), (712, 311420), (736, 301265), (890, 249136), (920, 241012), (1354, 163760), (1424, 155710), (1780, 124568), (1840, 120506), (2047, 108320), (2708, 81880), (2848, 77855), (3385, 65504), (3560, 62284), (3680, 60253), (4094, 54160), (5416, 40940), (6770, 32752), (7120, 31142), (8188, 27080), (10235, 21664), (10832, 20470), (13540, 16376), (14240, 15571)]