8990963970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{1249}}^1$

素因数の和:1524

約数の個数: 128

約数和(自身を含む): 23176800000

約数和(自身を除く): 14185836030

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 73, 95, 114, 146, 173, 190, 219, 285, 346, 365, 438, 519, 570, 730, 865, 1038, 1095, 1249, 1387, 1730, 2190, 2498, 2595, 2774, 3287, 3747, 4161, 5190, 6245, 6574, 6935, 7494, 8322, 9861, 12490, 12629, 13870, 16435, 18735, 19722, 20805, 23731, 25258, 32870, 37470, 37887, 41610, 47462, 49305, 63145, 71193, 75774, 91177, 98610, 118655, 126290, 142386, 182354, 189435, 216077, 237310, 239951, 273531, 355965, 378870, 432154, 455885, 479902, 547062, 648231, 711930, 719853, 911770, 1080385, 1199755, 1296462, 1367655, 1439706, 1732363, 2160770, 2399510, 2735310, 3241155, 3464726, 3599265, 4105463, 5197089, 6482310, 7198530, 8210926, 8661815, 10394178, 12316389, 15773621, 17323630, 20527315, 24632778, 25985445, 31547242, 41054630, 47320863, 51970890, 61581945, 78868105, 94641726, 123163890, 157736210, 236604315, 299698799, 473208630, 599397598, 899096397, 1498493995, 1798192794, 2996987990, 4495481985, 8990963970]

約数ペア:

[(1, 8990963970), (2, 4495481985), (3, 2996987990), (5, 1798192794), (6, 1498493995), (10, 899096397), (15, 599397598), (19, 473208630), (30, 299698799), (38, 236604315), (57, 157736210), (73, 123163890), (95, 94641726), (114, 78868105), (146, 61581945), (173, 51970890), (190, 47320863), (219, 41054630), (285, 31547242), (346, 25985445), (365, 24632778), (438, 20527315), (519, 17323630), (570, 15773621), (730, 12316389), (865, 10394178), (1038, 8661815), (1095, 8210926), (1249, 7198530), (1387, 6482310), (1730, 5197089), (2190, 4105463), (2498, 3599265), (2595, 3464726), (2774, 3241155), (3287, 2735310), (3747, 2399510), (4161, 2160770), (5190, 1732363), (6245, 1439706), (6574, 1367655), (6935, 1296462), (7494, 1199755), (8322, 1080385), (9861, 911770), (12490, 719853), (12629, 711930), (13870, 648231), (16435, 547062), (18735, 479902), (19722, 455885), (20805, 432154), (23731, 378870), (25258, 355965), (32870, 273531), (37470, 239951), (37887, 237310), (41610, 216077), (47462, 189435), (49305, 182354), (63145, 142386), (71193, 126290), (75774, 118655), (91177, 98610)]