399998508

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{743}}^1$

素因数の和:816

約数の個数: 192

約数和(自身を含む): 1259919360

約数和(自身を除く): 859920852

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 17, 21, 26, 28, 29, 34, 39, 42, 51, 52, 58, 68, 78, 84, 87, 91, 102, 116, 119, 156, 174, 182, 203, 204, 221, 238, 273, 348, 357, 364, 377, 406, 442, 476, 493, 546, 609, 663, 714, 743, 754, 812, 884, 986, 1092, 1131, 1218, 1326, 1428, 1479, 1486, 1508, 1547, 1972, 2229, 2262, 2436, 2639, 2652, 2958, 2972, 3094, 3451, 4458, 4524, 4641, 5201, 5278, 5916, 6188, 6409, 6902, 7917, 8916, 9282, 9659, 10353, 10402, 10556, 12631, 12818, 13804, 15603, 15834, 18564, 19227, 19318, 20706, 20804, 21547, 25262, 25636, 28977, 31206, 31668, 37893, 38454, 38636, 41412, 43094, 44863, 50524, 57954, 62412, 64641, 67613, 75786, 76908, 86188, 88417, 89726, 115908, 129282, 134589, 135226, 150829, 151572, 164203, 176834, 179452, 202839, 258564, 265251, 269178, 270452, 280111, 301658, 328406, 353668, 366299, 405678, 452487, 492609, 530502, 538356, 560222, 603316, 656812, 732598, 811356, 840333, 904974, 985218, 1061004, 1098897, 1120444, 1149421, 1465196, 1680666, 1809948, 1960777, 1970436, 2197794, 2298842, 2564093, 3361332, 3448263, 3921554, 4395588, 4597684, 4761887, 5128186, 5882331, 6896526, 7692279, 7843108, 9523774, 10256372, 11764662, 13793052, 14285661, 15384558, 19047548, 23529324, 28571322, 30769116, 33333209, 57142644, 66666418, 99999627, 133332836, 199999254, 399998508]

約数ペア:

[(1, 399998508), (2, 199999254), (3, 133332836), (4, 99999627), (6, 66666418), (7, 57142644), (12, 33333209), (13, 30769116), (14, 28571322), (17, 23529324), (21, 19047548), (26, 15384558), (28, 14285661), (29, 13793052), (34, 11764662), (39, 10256372), (42, 9523774), (51, 7843108), (52, 7692279), (58, 6896526), (68, 5882331), (78, 5128186), (84, 4761887), (87, 4597684), (91, 4395588), (102, 3921554), (116, 3448263), (119, 3361332), (156, 2564093), (174, 2298842), (182, 2197794), (203, 1970436), (204, 1960777), (221, 1809948), (238, 1680666), (273, 1465196), (348, 1149421), (357, 1120444), (364, 1098897), (377, 1061004), (406, 985218), (442, 904974), (476, 840333), (493, 811356), (546, 732598), (609, 656812), (663, 603316), (714, 560222), (743, 538356), (754, 530502), (812, 492609), (884, 452487), (986, 405678), (1092, 366299), (1131, 353668), (1218, 328406), (1326, 301658), (1428, 280111), (1479, 270452), (1486, 269178), (1508, 265251), (1547, 258564), (1972, 202839), (2229, 179452), (2262, 176834), (2436, 164203), (2639, 151572), (2652, 150829), (2958, 135226), (2972, 134589), (3094, 129282), (3451, 115908), (4458, 89726), (4524, 88417), (4641, 86188), (5201, 76908), (5278, 75786), (5916, 67613), (6188, 64641), (6409, 62412), (6902, 57954), (7917, 50524), (8916, 44863), (9282, 43094), (9659, 41412), (10353, 38636), (10402, 38454), (10556, 37893), (12631, 31668), (12818, 31206), (13804, 28977), (15603, 25636), (15834, 25262), (18564, 21547), (19227, 20804), (19318, 20706)]