498059320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:349

約数の個数: 128

約数和(自身を含む): 1259712000

約数和(自身を除く): 761652680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 107, 110, 142, 149, 214, 220, 284, 298, 355, 428, 440, 535, 568, 596, 710, 745, 781, 856, 1070, 1177, 1192, 1420, 1490, 1562, 1639, 2140, 2354, 2840, 2980, 3124, 3278, 3905, 4280, 4708, 5885, 5960, 6248, 6556, 7597, 7810, 8195, 9416, 10579, 11770, 13112, 15194, 15620, 15943, 16390, 21158, 23540, 30388, 31240, 31886, 32780, 37985, 42316, 47080, 52895, 60776, 63772, 65560, 75970, 79715, 83567, 84632, 105790, 116369, 127544, 151940, 159430, 167134, 175373, 211580, 232738, 303880, 318860, 334268, 350746, 417835, 423160, 465476, 581845, 637720, 668536, 701492, 835670, 876865, 930952, 1131953, 1163690, 1402984, 1671340, 1753730, 2263906, 2327380, 3342680, 3507460, 4527812, 4654760, 5659765, 7014920, 9055624, 11319530, 12451483, 22639060, 24902966, 45278120, 49805932, 62257415, 99611864, 124514830, 249029660, 498059320]

約数ペア:

[(1, 498059320), (2, 249029660), (4, 124514830), (5, 99611864), (8, 62257415), (10, 49805932), (11, 45278120), (20, 24902966), (22, 22639060), (40, 12451483), (44, 11319530), (55, 9055624), (71, 7014920), (88, 5659765), (107, 4654760), (110, 4527812), (142, 3507460), (149, 3342680), (214, 2327380), (220, 2263906), (284, 1753730), (298, 1671340), (355, 1402984), (428, 1163690), (440, 1131953), (535, 930952), (568, 876865), (596, 835670), (710, 701492), (745, 668536), (781, 637720), (856, 581845), (1070, 465476), (1177, 423160), (1192, 417835), (1420, 350746), (1490, 334268), (1562, 318860), (1639, 303880), (2140, 232738), (2354, 211580), (2840, 175373), (2980, 167134), (3124, 159430), (3278, 151940), (3905, 127544), (4280, 116369), (4708, 105790), (5885, 84632), (5960, 83567), (6248, 79715), (6556, 75970), (7597, 65560), (7810, 63772), (8195, 60776), (9416, 52895), (10579, 47080), (11770, 42316), (13112, 37985), (15194, 32780), (15620, 31886), (15943, 31240), (16390, 30388), (21158, 23540)]