About the Number

238971408

238971407 ← → 238971409

2進数表記:1110001111100110101000010000

漢数字表記:二億三千八百九十七万千四百八

素因数分解:

2 4 × 3 1 × 13 2 × 89 1 × 331 1

素因数の和:457
約数の個数: 120
約数和(自身を含む): 678036960
約数和(自身を除く): 439065552

約数列:
[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 89, 104, 156, 169, 178, 208, 267, 312, 331, 338, 356, 507, 534, 624, 662, 676, 712, 993, 1014, 1068, 1157, 1324, 1352, 1424, 1986, 2028, 2136, 2314, 2648, 2704, 3471, 3972, 4056, 4272, 4303, 4628, 5296, 6942, 7944, 8112, 8606, 9256, 12909, 13884, 15041, 15888, 17212, 18512, 25818, 27768, 29459, 30082, 34424, 45123, 51636, 55536, 55939, 58918, 60164, 68848, 88377, 90246, 103272, 111878, 117836, 120328, 167817, 176754, 180492, 206544, 223756, 235672, 240656, 335634, 353508, 360984, 382967, 447512, 471344, 671268, 707016, 721968, 765934, 895024, 1148901, 1342536, 1414032, 1531868, 2297802, 2685072, 3063736, 4595604, 4978571, 6127472, 9191208, 9957142, 14935713, 18382416, 19914284, 29871426, 39828568, 59742852, 79657136, 119485704, 238971408]

約数ペア:
[(1, 238971408), (2, 119485704), (3, 79657136), (4, 59742852), (6, 39828568), (8, 29871426), (12, 19914284), (13, 18382416), (16, 14935713), (24, 9957142), (26, 9191208), (39, 6127472), (48, 4978571), (52, 4595604), (78, 3063736), (89, 2685072), (104, 2297802), (156, 1531868), (169, 1414032), (178, 1342536), (208, 1148901), (267, 895024), (312, 765934), (331, 721968), (338, 707016), (356, 671268), (507, 471344), (534, 447512), (624, 382967), (662, 360984), (676, 353508), (712, 335634), (993, 240656), (1014, 235672), (1068, 223756), (1157, 206544), (1324, 180492), (1352, 176754), (1424, 167817), (1986, 120328), (2028, 117836), (2136, 111878), (2314, 103272), (2648, 90246), (2704, 88377), (3471, 68848), (3972, 60164), (4056, 58918), (4272, 55939), (4303, 55536), (4628, 51636), (5296, 45123), (6942, 34424), (7944, 30082), (8112, 29459), (8606, 27768), (9256, 25818), (12909, 18512), (13884, 17212), (15041, 15888)]

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