197821540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2399}}^1$

素因数の和:2465

約数の個数: 96

約数和(自身を含む): 516096000

約数和(自身を除く): 318274460

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 62, 70, 76, 95, 124, 133, 140, 155, 190, 217, 266, 310, 380, 434, 532, 589, 620, 665, 868, 1085, 1178, 1330, 2170, 2356, 2399, 2660, 2945, 4123, 4340, 4798, 5890, 8246, 9596, 11780, 11995, 16492, 16793, 20615, 23990, 33586, 41230, 45581, 47980, 67172, 74369, 82460, 83965, 91162, 148738, 167930, 182324, 227905, 297476, 319067, 335860, 371845, 455810, 520583, 638134, 743690, 911620, 1041166, 1276268, 1413011, 1487380, 1595335, 2082332, 2602915, 2826022, 3190670, 5205830, 5652044, 6381340, 7065055, 9891077, 10411660, 14130110, 19782154, 28260220, 39564308, 49455385, 98910770, 197821540]

約数ペア:

[(1, 197821540), (2, 98910770), (4, 49455385), (5, 39564308), (7, 28260220), (10, 19782154), (14, 14130110), (19, 10411660), (20, 9891077), (28, 7065055), (31, 6381340), (35, 5652044), (38, 5205830), (62, 3190670), (70, 2826022), (76, 2602915), (95, 2082332), (124, 1595335), (133, 1487380), (140, 1413011), (155, 1276268), (190, 1041166), (217, 911620), (266, 743690), (310, 638134), (380, 520583), (434, 455810), (532, 371845), (589, 335860), (620, 319067), (665, 297476), (868, 227905), (1085, 182324), (1178, 167930), (1330, 148738), (2170, 91162), (2356, 83965), (2399, 82460), (2660, 74369), (2945, 67172), (4123, 47980), (4340, 45581), (4798, 41230), (5890, 33586), (8246, 23990), (9596, 20615), (11780, 16793), (11995, 16492)]