49501980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1087}}^1$

素因数の和:1136

約数の個数: 144

約数和(自身を含む): 171085824

約数和(自身を除く): 121583844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 30, 33, 36, 44, 45, 46, 55, 60, 66, 69, 90, 92, 99, 110, 115, 132, 138, 165, 180, 198, 207, 220, 230, 253, 276, 330, 345, 396, 414, 460, 495, 506, 660, 690, 759, 828, 990, 1012, 1035, 1087, 1265, 1380, 1518, 1980, 2070, 2174, 2277, 2530, 3036, 3261, 3795, 4140, 4348, 4554, 5060, 5435, 6522, 7590, 9108, 9783, 10870, 11385, 11957, 13044, 15180, 16305, 19566, 21740, 22770, 23914, 25001, 32610, 35871, 39132, 45540, 47828, 48915, 50002, 59785, 65220, 71742, 75003, 97830, 100004, 107613, 119570, 125005, 143484, 150006, 179355, 195660, 215226, 225009, 239140, 250010, 275011, 300012, 358710, 375015, 430452, 450018, 500020, 538065, 550022, 717420, 750030, 825033, 900036, 1076130, 1100044, 1125045, 1375055, 1500060, 1650066, 2152260, 2250090, 2475099, 2750110, 3300132, 4125165, 4500180, 4950198, 5500220, 8250330, 9900396, 12375495, 16500660, 24750990, 49501980]

約数ペア:

[(1, 49501980), (2, 24750990), (3, 16500660), (4, 12375495), (5, 9900396), (6, 8250330), (9, 5500220), (10, 4950198), (11, 4500180), (12, 4125165), (15, 3300132), (18, 2750110), (20, 2475099), (22, 2250090), (23, 2152260), (30, 1650066), (33, 1500060), (36, 1375055), (44, 1125045), (45, 1100044), (46, 1076130), (55, 900036), (60, 825033), (66, 750030), (69, 717420), (90, 550022), (92, 538065), (99, 500020), (110, 450018), (115, 430452), (132, 375015), (138, 358710), (165, 300012), (180, 275011), (198, 250010), (207, 239140), (220, 225009), (230, 215226), (253, 195660), (276, 179355), (330, 150006), (345, 143484), (396, 125005), (414, 119570), (460, 107613), (495, 100004), (506, 97830), (660, 75003), (690, 71742), (759, 65220), (828, 59785), (990, 50002), (1012, 48915), (1035, 47828), (1087, 45540), (1265, 39132), (1380, 35871), (1518, 32610), (1980, 25001), (2070, 23914), (2174, 22770), (2277, 21740), (2530, 19566), (3036, 16305), (3261, 15180), (3795, 13044), (4140, 11957), (4348, 11385), (4554, 10870), (5060, 9783), (5435, 9108), (6522, 7590)]