201654440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:331

約数の個数: 128

約数和(自身を含む): 514805760

約数和(自身を除く): 313151320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 47, 52, 65, 74, 94, 104, 130, 148, 185, 188, 223, 235, 260, 296, 370, 376, 446, 470, 481, 520, 611, 740, 892, 940, 962, 1115, 1222, 1480, 1739, 1784, 1880, 1924, 2230, 2405, 2444, 2899, 3055, 3478, 3848, 4460, 4810, 4888, 5798, 6110, 6956, 8251, 8695, 8920, 9620, 10481, 11596, 12220, 13912, 14495, 16502, 17390, 19240, 20962, 22607, 23192, 24440, 28990, 33004, 34780, 41255, 41924, 45214, 52405, 57980, 66008, 69560, 82510, 83848, 90428, 104810, 107263, 113035, 115960, 136253, 165020, 180856, 209620, 214526, 226070, 272506, 330040, 387797, 419240, 429052, 452140, 536315, 545012, 681265, 775594, 858104, 904280, 1072630, 1090024, 1362530, 1551188, 1938985, 2145260, 2725060, 3102376, 3877970, 4290520, 5041361, 5450120, 7755940, 10082722, 15511880, 20165444, 25206805, 40330888, 50413610, 100827220, 201654440]

約数ペア:

[(1, 201654440), (2, 100827220), (4, 50413610), (5, 40330888), (8, 25206805), (10, 20165444), (13, 15511880), (20, 10082722), (26, 7755940), (37, 5450120), (40, 5041361), (47, 4290520), (52, 3877970), (65, 3102376), (74, 2725060), (94, 2145260), (104, 1938985), (130, 1551188), (148, 1362530), (185, 1090024), (188, 1072630), (223, 904280), (235, 858104), (260, 775594), (296, 681265), (370, 545012), (376, 536315), (446, 452140), (470, 429052), (481, 419240), (520, 387797), (611, 330040), (740, 272506), (892, 226070), (940, 214526), (962, 209620), (1115, 180856), (1222, 165020), (1480, 136253), (1739, 115960), (1784, 113035), (1880, 107263), (1924, 104810), (2230, 90428), (2405, 83848), (2444, 82510), (2899, 69560), (3055, 66008), (3478, 57980), (3848, 52405), (4460, 45214), (4810, 41924), (4888, 41255), (5798, 34780), (6110, 33004), (6956, 28990), (8251, 24440), (8695, 23192), (8920, 22607), (9620, 20962), (10481, 19240), (11596, 17390), (12220, 16502), (13912, 14495)]