199533420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:560

約数の個数: 144

約数和(自身を含む): 646053408

約数和(自身を除く): 446519988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 197, 204, 255, 306, 331, 340, 394, 510, 591, 612, 662, 765, 788, 985, 993, 1020, 1182, 1324, 1530, 1655, 1773, 1970, 1986, 2364, 2955, 2979, 3060, 3310, 3349, 3546, 3940, 3972, 4965, 5627, 5910, 5958, 6620, 6698, 7092, 8865, 9930, 10047, 11254, 11820, 11916, 13396, 14895, 16745, 16881, 17730, 19860, 20094, 22508, 28135, 29790, 30141, 33490, 33762, 35460, 40188, 50235, 50643, 56270, 59580, 60282, 65207, 66980, 67524, 84405, 100470, 101286, 112540, 120564, 130414, 150705, 168810, 195621, 200940, 202572, 253215, 260828, 301410, 326035, 337620, 391242, 506430, 586863, 602820, 652070, 782484, 978105, 1012860, 1108519, 1173726, 1304140, 1956210, 2217038, 2347452, 2934315, 3325557, 3912420, 4434076, 5542595, 5868630, 6651114, 9976671, 11085190, 11737260, 13302228, 16627785, 19953342, 22170380, 33255570, 39906684, 49883355, 66511140, 99766710, 199533420]

約数ペア:

[(1, 199533420), (2, 99766710), (3, 66511140), (4, 49883355), (5, 39906684), (6, 33255570), (9, 22170380), (10, 19953342), (12, 16627785), (15, 13302228), (17, 11737260), (18, 11085190), (20, 9976671), (30, 6651114), (34, 5868630), (36, 5542595), (45, 4434076), (51, 3912420), (60, 3325557), (68, 2934315), (85, 2347452), (90, 2217038), (102, 1956210), (153, 1304140), (170, 1173726), (180, 1108519), (197, 1012860), (204, 978105), (255, 782484), (306, 652070), (331, 602820), (340, 586863), (394, 506430), (510, 391242), (591, 337620), (612, 326035), (662, 301410), (765, 260828), (788, 253215), (985, 202572), (993, 200940), (1020, 195621), (1182, 168810), (1324, 150705), (1530, 130414), (1655, 120564), (1773, 112540), (1970, 101286), (1986, 100470), (2364, 84405), (2955, 67524), (2979, 66980), (3060, 65207), (3310, 60282), (3349, 59580), (3546, 56270), (3940, 50643), (3972, 50235), (4965, 40188), (5627, 35460), (5910, 33762), (5958, 33490), (6620, 30141), (6698, 29790), (7092, 28135), (8865, 22508), (9930, 20094), (10047, 19860), (11254, 17730), (11820, 16881), (11916, 16745), (13396, 14895)]