2898909040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{13921}}^1$

素因数の和:14090

約数の個数: 80

約数和(自身を含む): 7146997920

約数和(自身を除く): 4248088880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 137, 152, 190, 274, 304, 380, 548, 685, 760, 1096, 1370, 1520, 2192, 2603, 2740, 5206, 5480, 10412, 10960, 13015, 13921, 20824, 26030, 27842, 41648, 52060, 55684, 69605, 104120, 111368, 139210, 208240, 222736, 264499, 278420, 528998, 556840, 1057996, 1113680, 1322495, 1907177, 2115992, 2644990, 3814354, 4231984, 5289980, 7628708, 9535885, 10579960, 15257416, 19071770, 21159920, 30514832, 36236363, 38143540, 72472726, 76287080, 144945452, 152574160, 181181815, 289890904, 362363630, 579781808, 724727260, 1449454520, 2898909040]

約数ペア:

[(1, 2898909040), (2, 1449454520), (4, 724727260), (5, 579781808), (8, 362363630), (10, 289890904), (16, 181181815), (19, 152574160), (20, 144945452), (38, 76287080), (40, 72472726), (76, 38143540), (80, 36236363), (95, 30514832), (137, 21159920), (152, 19071770), (190, 15257416), (274, 10579960), (304, 9535885), (380, 7628708), (548, 5289980), (685, 4231984), (760, 3814354), (1096, 2644990), (1370, 2115992), (1520, 1907177), (2192, 1322495), (2603, 1113680), (2740, 1057996), (5206, 556840), (5480, 528998), (10412, 278420), (10960, 264499), (13015, 222736), (13921, 208240), (20824, 139210), (26030, 111368), (27842, 104120), (41648, 69605), (52060, 55684)]