398799240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{9689}}^1$

素因数の和:9724

約数の個数: 128

約数和(自身を含む): 1395360000

約数和(自身を除く): 996560760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 840, 980, 1029, 1176, 1372, 1470, 1715, 1960, 2058, 2744, 2940, 3430, 4116, 5145, 5880, 6860, 8232, 9689, 10290, 13720, 19378, 20580, 29067, 38756, 41160, 48445, 58134, 67823, 77512, 96890, 116268, 135646, 145335, 193780, 203469, 232536, 271292, 290670, 339115, 387560, 406938, 474761, 542584, 581340, 678230, 813876, 949522, 1017345, 1162680, 1356460, 1424283, 1627752, 1899044, 2034690, 2373805, 2712920, 2848566, 3323327, 3798088, 4069380, 4747610, 5697132, 6646654, 7121415, 8138760, 9495220, 9969981, 11394264, 13293308, 14242830, 16616635, 18990440, 19939962, 26586616, 28485660, 33233270, 39879924, 49849905, 56971320, 66466540, 79759848, 99699810, 132933080, 199399620, 398799240]

約数ペア:

[(1, 398799240), (2, 199399620), (3, 132933080), (4, 99699810), (5, 79759848), (6, 66466540), (7, 56971320), (8, 49849905), (10, 39879924), (12, 33233270), (14, 28485660), (15, 26586616), (20, 19939962), (21, 18990440), (24, 16616635), (28, 14242830), (30, 13293308), (35, 11394264), (40, 9969981), (42, 9495220), (49, 8138760), (56, 7121415), (60, 6646654), (70, 5697132), (84, 4747610), (98, 4069380), (105, 3798088), (120, 3323327), (140, 2848566), (147, 2712920), (168, 2373805), (196, 2034690), (210, 1899044), (245, 1627752), (280, 1424283), (294, 1356460), (343, 1162680), (392, 1017345), (420, 949522), (490, 813876), (588, 678230), (686, 581340), (735, 542584), (840, 474761), (980, 406938), (1029, 387560), (1176, 339115), (1372, 290670), (1470, 271292), (1715, 232536), (1960, 203469), (2058, 193780), (2744, 145335), (2940, 135646), (3430, 116268), (4116, 96890), (5145, 77512), (5880, 67823), (6860, 58134), (8232, 48445), (9689, 41160), (10290, 38756), (13720, 29067), (19378, 20580)]