90214280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1$

素因数の和:463

約数の個数: 128

約数和(自身を含む): 240710400

約数和(自身を除く): 150496120

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 23, 26, 38, 40, 46, 52, 65, 76, 92, 95, 104, 115, 130, 152, 184, 190, 230, 247, 260, 299, 380, 397, 437, 460, 494, 520, 598, 760, 794, 874, 920, 988, 1196, 1235, 1495, 1588, 1748, 1976, 1985, 2185, 2392, 2470, 2990, 3176, 3496, 3970, 4370, 4940, 5161, 5681, 5980, 7543, 7940, 8740, 9131, 9880, 10322, 11362, 11960, 15086, 15880, 17480, 18262, 20644, 22724, 25805, 28405, 30172, 36524, 37715, 41288, 45448, 45655, 51610, 56810, 60344, 73048, 75430, 91310, 98059, 103220, 113620, 118703, 150860, 173489, 182620, 196118, 206440, 227240, 237406, 301720, 346978, 365240, 392236, 474812, 490295, 593515, 693956, 784472, 867445, 949624, 980590, 1187030, 1387912, 1734890, 1961180, 2255357, 2374060, 3469780, 3922360, 4510714, 4748120, 6939560, 9021428, 11276785, 18042856, 22553570, 45107140, 90214280]

約数ペア:

[(1, 90214280), (2, 45107140), (4, 22553570), (5, 18042856), (8, 11276785), (10, 9021428), (13, 6939560), (19, 4748120), (20, 4510714), (23, 3922360), (26, 3469780), (38, 2374060), (40, 2255357), (46, 1961180), (52, 1734890), (65, 1387912), (76, 1187030), (92, 980590), (95, 949624), (104, 867445), (115, 784472), (130, 693956), (152, 593515), (184, 490295), (190, 474812), (230, 392236), (247, 365240), (260, 346978), (299, 301720), (380, 237406), (397, 227240), (437, 206440), (460, 196118), (494, 182620), (520, 173489), (598, 150860), (760, 118703), (794, 113620), (874, 103220), (920, 98059), (988, 91310), (1196, 75430), (1235, 73048), (1495, 60344), (1588, 56810), (1748, 51610), (1976, 45655), (1985, 45448), (2185, 41288), (2392, 37715), (2470, 36524), (2990, 30172), (3176, 28405), (3496, 25805), (3970, 22724), (4370, 20644), (4940, 18262), (5161, 17480), (5681, 15880), (5980, 15086), (7543, 11960), (7940, 11362), (8740, 10322), (9131, 9880)]