90849220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 248822784

約数和(自身を除く): 157973564

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 121, 124, 140, 154, 155, 173, 217, 220, 242, 308, 310, 341, 346, 385, 434, 484, 605, 620, 682, 692, 770, 847, 865, 868, 1085, 1210, 1211, 1364, 1540, 1694, 1705, 1730, 1903, 2170, 2387, 2420, 2422, 3388, 3410, 3460, 3751, 3806, 4235, 4340, 4774, 4844, 5363, 6055, 6820, 7502, 7612, 8470, 9515, 9548, 10726, 11935, 12110, 13321, 15004, 16940, 18755, 19030, 20933, 21452, 23870, 24220, 26257, 26642, 26815, 37510, 37541, 38060, 41866, 47740, 52514, 53284, 53630, 58993, 66605, 75020, 75082, 83732, 104665, 105028, 107260, 117986, 131285, 133210, 146531, 150164, 187705, 209330, 235972, 262570, 266420, 293062, 294965, 375410, 412951, 418660, 525140, 586124, 589930, 648923, 732655, 750820, 825902, 1179860, 1297846, 1465310, 1651804, 2064755, 2595692, 2930620, 3244615, 4129510, 4542461, 6489230, 8259020, 9084922, 12978460, 18169844, 22712305, 45424610, 90849220]

約数ペア:

[(1, 90849220), (2, 45424610), (4, 22712305), (5, 18169844), (7, 12978460), (10, 9084922), (11, 8259020), (14, 6489230), (20, 4542461), (22, 4129510), (28, 3244615), (31, 2930620), (35, 2595692), (44, 2064755), (55, 1651804), (62, 1465310), (70, 1297846), (77, 1179860), (110, 825902), (121, 750820), (124, 732655), (140, 648923), (154, 589930), (155, 586124), (173, 525140), (217, 418660), (220, 412951), (242, 375410), (308, 294965), (310, 293062), (341, 266420), (346, 262570), (385, 235972), (434, 209330), (484, 187705), (605, 150164), (620, 146531), (682, 133210), (692, 131285), (770, 117986), (847, 107260), (865, 105028), (868, 104665), (1085, 83732), (1210, 75082), (1211, 75020), (1364, 66605), (1540, 58993), (1694, 53630), (1705, 53284), (1730, 52514), (1903, 47740), (2170, 41866), (2387, 38060), (2420, 37541), (2422, 37510), (3388, 26815), (3410, 26642), (3460, 26257), (3751, 24220), (3806, 23870), (4235, 21452), (4340, 20933), (4774, 19030), (4844, 18755), (5363, 16940), (6055, 15004), (6820, 13321), (7502, 12110), (7612, 11935), (8470, 10726), (9515, 9548)]