28755900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:468

約数の個数: 108

約数和(自身を含む): 91400400

約数和(自身を除く): 62644500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 89, 90, 100, 150, 178, 180, 225, 267, 300, 356, 359, 445, 450, 534, 718, 801, 890, 900, 1068, 1077, 1335, 1436, 1602, 1780, 1795, 2154, 2225, 2670, 3204, 3231, 3590, 4005, 4308, 4450, 5340, 5385, 6462, 6675, 7180, 8010, 8900, 8975, 10770, 12924, 13350, 16020, 16155, 17950, 20025, 21540, 26700, 26925, 31951, 32310, 35900, 40050, 53850, 63902, 64620, 80100, 80775, 95853, 107700, 127804, 159755, 161550, 191706, 287559, 319510, 323100, 383412, 479265, 575118, 639020, 798775, 958530, 1150236, 1437795, 1597550, 1917060, 2396325, 2875590, 3195100, 4792650, 5751180, 7188975, 9585300, 14377950, 28755900]

約数ペア:

[(1, 28755900), (2, 14377950), (3, 9585300), (4, 7188975), (5, 5751180), (6, 4792650), (9, 3195100), (10, 2875590), (12, 2396325), (15, 1917060), (18, 1597550), (20, 1437795), (25, 1150236), (30, 958530), (36, 798775), (45, 639020), (50, 575118), (60, 479265), (75, 383412), (89, 323100), (90, 319510), (100, 287559), (150, 191706), (178, 161550), (180, 159755), (225, 127804), (267, 107700), (300, 95853), (356, 80775), (359, 80100), (445, 64620), (450, 63902), (534, 53850), (718, 40050), (801, 35900), (890, 32310), (900, 31951), (1068, 26925), (1077, 26700), (1335, 21540), (1436, 20025), (1602, 17950), (1780, 16155), (1795, 16020), (2154, 13350), (2225, 12924), (2670, 10770), (3204, 8975), (3231, 8900), (3590, 8010), (4005, 7180), (4308, 6675), (4450, 6462), (5340, 5385)]