201369620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 457228800

約数和(自身を除く): 255859180

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 83, 89, 94, 116, 145, 166, 178, 188, 235, 290, 332, 356, 415, 445, 470, 580, 830, 890, 940, 1363, 1660, 1780, 2407, 2581, 2726, 3901, 4183, 4814, 5162, 5452, 6815, 7387, 7802, 8366, 9628, 10324, 12035, 12905, 13630, 14774, 15604, 16732, 19505, 20915, 24070, 25810, 27260, 29548, 36935, 39010, 41830, 48140, 51620, 73870, 78020, 83660, 113129, 121307, 147740, 214223, 226258, 242614, 347189, 428446, 452516, 485228, 565645, 606535, 694378, 856892, 1071115, 1131290, 1213070, 1388756, 1735945, 2142230, 2262580, 2426140, 3471890, 4284460, 6943780, 10068481, 20136962, 40273924, 50342405, 100684810, 201369620]

約数ペア:

[(1, 201369620), (2, 100684810), (4, 50342405), (5, 40273924), (10, 20136962), (20, 10068481), (29, 6943780), (47, 4284460), (58, 3471890), (83, 2426140), (89, 2262580), (94, 2142230), (116, 1735945), (145, 1388756), (166, 1213070), (178, 1131290), (188, 1071115), (235, 856892), (290, 694378), (332, 606535), (356, 565645), (415, 485228), (445, 452516), (470, 428446), (580, 347189), (830, 242614), (890, 226258), (940, 214223), (1363, 147740), (1660, 121307), (1780, 113129), (2407, 83660), (2581, 78020), (2726, 73870), (3901, 51620), (4183, 48140), (4814, 41830), (5162, 39010), (5452, 36935), (6815, 29548), (7387, 27260), (7802, 25810), (8366, 24070), (9628, 20915), (10324, 19505), (12035, 16732), (12905, 15604), (13630, 14774)]