221424420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1289}}^1$

素因数の和:1717

約数の個数: 96

約数和(自身を含む): 710841600

約数和(自身を除く): 489417180

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 409, 420, 818, 1227, 1289, 1636, 2045, 2454, 2578, 2863, 3867, 4090, 4908, 5156, 5726, 6135, 6445, 7734, 8180, 8589, 9023, 11452, 12270, 12890, 14315, 15468, 17178, 18046, 19335, 24540, 25780, 27069, 28630, 34356, 36092, 38670, 42945, 45115, 54138, 57260, 77340, 85890, 90230, 108276, 135345, 171780, 180460, 270690, 527201, 541380, 1054402, 1581603, 2108804, 2636005, 3163206, 3690407, 5272010, 6326412, 7380814, 7908015, 10544020, 11071221, 14761628, 15816030, 18452035, 22142442, 31632060, 36904070, 44284884, 55356105, 73808140, 110712210, 221424420]

約数ペア:

[(1, 221424420), (2, 110712210), (3, 73808140), (4, 55356105), (5, 44284884), (6, 36904070), (7, 31632060), (10, 22142442), (12, 18452035), (14, 15816030), (15, 14761628), (20, 11071221), (21, 10544020), (28, 7908015), (30, 7380814), (35, 6326412), (42, 5272010), (60, 3690407), (70, 3163206), (84, 2636005), (105, 2108804), (140, 1581603), (210, 1054402), (409, 541380), (420, 527201), (818, 270690), (1227, 180460), (1289, 171780), (1636, 135345), (2045, 108276), (2454, 90230), (2578, 85890), (2863, 77340), (3867, 57260), (4090, 54138), (4908, 45115), (5156, 42945), (5726, 38670), (6135, 36092), (6445, 34356), (7734, 28630), (8180, 27069), (8589, 25780), (9023, 24540), (11452, 19335), (12270, 18046), (12890, 17178), (14315, 15468)]