401984440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2267}}^1$

素因数の和:2333

約数の個数: 128

約数和(自身を含む): 1097349120

約数和(自身を除く): 695364680

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 88, 104, 110, 124, 130, 143, 155, 220, 248, 260, 286, 310, 341, 403, 440, 520, 572, 620, 682, 715, 806, 1144, 1240, 1364, 1430, 1612, 1705, 2015, 2267, 2728, 2860, 3224, 3410, 4030, 4433, 4534, 5720, 6820, 8060, 8866, 9068, 11335, 13640, 16120, 17732, 18136, 22165, 22670, 24937, 29471, 35464, 44330, 45340, 49874, 58942, 70277, 88660, 90680, 99748, 117884, 124685, 140554, 147355, 177320, 199496, 235768, 249370, 281108, 294710, 324181, 351385, 498740, 562216, 589420, 648362, 702770, 773047, 913601, 997480, 1178840, 1296724, 1405540, 1546094, 1620905, 1827202, 2593448, 2811080, 3092188, 3241810, 3654404, 3865235, 4568005, 6184376, 6483620, 7308808, 7730470, 9136010, 10049611, 12967240, 15460940, 18272020, 20099222, 30921880, 36544040, 40198444, 50248055, 80396888, 100496110, 200992220, 401984440]

約数ペア:

[(1, 401984440), (2, 200992220), (4, 100496110), (5, 80396888), (8, 50248055), (10, 40198444), (11, 36544040), (13, 30921880), (20, 20099222), (22, 18272020), (26, 15460940), (31, 12967240), (40, 10049611), (44, 9136010), (52, 7730470), (55, 7308808), (62, 6483620), (65, 6184376), (88, 4568005), (104, 3865235), (110, 3654404), (124, 3241810), (130, 3092188), (143, 2811080), (155, 2593448), (220, 1827202), (248, 1620905), (260, 1546094), (286, 1405540), (310, 1296724), (341, 1178840), (403, 997480), (440, 913601), (520, 773047), (572, 702770), (620, 648362), (682, 589420), (715, 562216), (806, 498740), (1144, 351385), (1240, 324181), (1364, 294710), (1430, 281108), (1612, 249370), (1705, 235768), (2015, 199496), (2267, 177320), (2728, 147355), (2860, 140554), (3224, 124685), (3410, 117884), (4030, 99748), (4433, 90680), (4534, 88660), (5720, 70277), (6820, 58942), (8060, 49874), (8866, 45340), (9068, 44330), (11335, 35464), (13640, 29471), (16120, 24937), (17732, 22670), (18136, 22165)]