390254800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:318

約数の個数: 180

約数和(自身を含む): 1063619424

約数和(自身を除く): 673364624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 25, 26, 40, 46, 50, 52, 65, 80, 92, 100, 104, 115, 130, 169, 184, 200, 208, 230, 251, 260, 299, 325, 338, 368, 400, 460, 502, 520, 575, 598, 650, 676, 845, 920, 1004, 1040, 1150, 1196, 1255, 1300, 1352, 1495, 1690, 1840, 2008, 2300, 2392, 2510, 2600, 2704, 2990, 3263, 3380, 3887, 4016, 4225, 4600, 4784, 5020, 5200, 5773, 5980, 6275, 6526, 6760, 7475, 7774, 8450, 9200, 10040, 11546, 11960, 12550, 13052, 13520, 14950, 15548, 16315, 16900, 19435, 20080, 23092, 23920, 25100, 26104, 28865, 29900, 31096, 32630, 33800, 38870, 42419, 46184, 50200, 52208, 57730, 59800, 62192, 65260, 67600, 75049, 77740, 81575, 84838, 92368, 97175, 100400, 115460, 119600, 130520, 144325, 150098, 155480, 163150, 169676, 194350, 212095, 230920, 261040, 288650, 300196, 310960, 326300, 339352, 375245, 388700, 424190, 461840, 577300, 600392, 652600, 678704, 750490, 777400, 848380, 975637, 1060475, 1154600, 1200784, 1305200, 1500980, 1554800, 1696760, 1876225, 1951274, 2120950, 2309200, 3001960, 3393520, 3752450, 3902548, 4241900, 4878185, 6003920, 7504900, 7805096, 8483800, 9756370, 15009800, 15610192, 16967600, 19512740, 24390925, 30019600, 39025480, 48781850, 78050960, 97563700, 195127400, 390254800]

約数ペア:

[(1, 390254800), (2, 195127400), (4, 97563700), (5, 78050960), (8, 48781850), (10, 39025480), (13, 30019600), (16, 24390925), (20, 19512740), (23, 16967600), (25, 15610192), (26, 15009800), (40, 9756370), (46, 8483800), (50, 7805096), (52, 7504900), (65, 6003920), (80, 4878185), (92, 4241900), (100, 3902548), (104, 3752450), (115, 3393520), (130, 3001960), (169, 2309200), (184, 2120950), (200, 1951274), (208, 1876225), (230, 1696760), (251, 1554800), (260, 1500980), (299, 1305200), (325, 1200784), (338, 1154600), (368, 1060475), (400, 975637), (460, 848380), (502, 777400), (520, 750490), (575, 678704), (598, 652600), (650, 600392), (676, 577300), (845, 461840), (920, 424190), (1004, 388700), (1040, 375245), (1150, 339352), (1196, 326300), (1255, 310960), (1300, 300196), (1352, 288650), (1495, 261040), (1690, 230920), (1840, 212095), (2008, 194350), (2300, 169676), (2392, 163150), (2510, 155480), (2600, 150098), (2704, 144325), (2990, 130520), (3263, 119600), (3380, 115460), (3887, 100400), (4016, 97175), (4225, 92368), (4600, 84838), (4784, 81575), (5020, 77740), (5200, 75049), (5773, 67600), (5980, 65260), (6275, 62192), (6526, 59800), (6760, 57730), (7475, 52208), (7774, 50200), (8450, 46184), (9200, 42419), (10040, 38870), (11546, 33800), (11960, 32630), (12550, 31096), (13052, 29900), (13520, 28865), (14950, 26104), (15548, 25100), (16315, 23920), (16900, 23092), (19435, 20080)]