86900440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:353

約数の個数: 128

約数和(自身を含む): 230584320

約数和(自身を除く): 143683880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 31, 40, 44, 46, 55, 62, 88, 92, 110, 115, 124, 155, 184, 220, 230, 248, 253, 277, 310, 341, 440, 460, 506, 554, 620, 682, 713, 920, 1012, 1108, 1240, 1265, 1364, 1385, 1426, 1705, 2024, 2216, 2530, 2728, 2770, 2852, 3047, 3410, 3565, 5060, 5540, 5704, 6094, 6371, 6820, 7130, 7843, 8587, 10120, 11080, 12188, 12742, 13640, 14260, 15235, 15686, 17174, 24376, 25484, 28520, 30470, 31372, 31855, 34348, 39215, 42935, 50968, 60940, 62744, 63710, 68696, 70081, 78430, 85870, 94457, 121880, 127420, 140162, 156860, 171740, 188914, 197501, 254840, 280324, 313720, 343480, 350405, 377828, 395002, 472285, 560648, 700810, 755656, 790004, 944570, 987505, 1401620, 1580008, 1889140, 1975010, 2172511, 2803240, 3778280, 3950020, 4345022, 7900040, 8690044, 10862555, 17380088, 21725110, 43450220, 86900440]

約数ペア:

[(1, 86900440), (2, 43450220), (4, 21725110), (5, 17380088), (8, 10862555), (10, 8690044), (11, 7900040), (20, 4345022), (22, 3950020), (23, 3778280), (31, 2803240), (40, 2172511), (44, 1975010), (46, 1889140), (55, 1580008), (62, 1401620), (88, 987505), (92, 944570), (110, 790004), (115, 755656), (124, 700810), (155, 560648), (184, 472285), (220, 395002), (230, 377828), (248, 350405), (253, 343480), (277, 313720), (310, 280324), (341, 254840), (440, 197501), (460, 188914), (506, 171740), (554, 156860), (620, 140162), (682, 127420), (713, 121880), (920, 94457), (1012, 85870), (1108, 78430), (1240, 70081), (1265, 68696), (1364, 63710), (1385, 62744), (1426, 60940), (1705, 50968), (2024, 42935), (2216, 39215), (2530, 34348), (2728, 31855), (2770, 31372), (2852, 30470), (3047, 28520), (3410, 25484), (3565, 24376), (5060, 17174), (5540, 15686), (5704, 15235), (6094, 14260), (6371, 13640), (6820, 12742), (7130, 12188), (7843, 11080), (8587, 10120)]