251134260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{811}}^1$

素因数の和:1233

約数の個数: 96

約数和(自身を含む): 760109952

約数和(自身を除く): 508975692

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 397, 780, 794, 811, 1191, 1588, 1622, 1985, 2382, 2433, 3244, 3970, 4055, 4764, 4866, 5161, 5955, 7940, 8110, 9732, 10322, 10543, 11910, 12165, 15483, 16220, 20644, 21086, 23820, 24330, 25805, 30966, 31629, 42172, 48660, 51610, 52715, 61932, 63258, 77415, 103220, 105430, 126516, 154830, 158145, 210860, 309660, 316290, 321967, 632580, 643934, 965901, 1287868, 1609835, 1931802, 3219670, 3863604, 4185571, 4829505, 6439340, 8371142, 9659010, 12556713, 16742284, 19318020, 20927855, 25113426, 41855710, 50226852, 62783565, 83711420, 125567130, 251134260]

約数ペア:

[(1, 251134260), (2, 125567130), (3, 83711420), (4, 62783565), (5, 50226852), (6, 41855710), (10, 25113426), (12, 20927855), (13, 19318020), (15, 16742284), (20, 12556713), (26, 9659010), (30, 8371142), (39, 6439340), (52, 4829505), (60, 4185571), (65, 3863604), (78, 3219670), (130, 1931802), (156, 1609835), (195, 1287868), (260, 965901), (390, 643934), (397, 632580), (780, 321967), (794, 316290), (811, 309660), (1191, 210860), (1588, 158145), (1622, 154830), (1985, 126516), (2382, 105430), (2433, 103220), (3244, 77415), (3970, 63258), (4055, 61932), (4764, 52715), (4866, 51610), (5161, 48660), (5955, 42172), (7940, 31629), (8110, 30966), (9732, 25805), (10322, 24330), (10543, 23820), (11910, 21086), (12165, 20644), (15483, 16220)]