About the Number

39780090

39780089 ← → 39780091

2進数表記:10010111101111111011111010

漢数字表記:三千九百七十八万九十

素因数分解:

2 1 × 3 2 × 5 1 × 7 1 × 233 1 × 271 1

素因数の和:524
約数の個数: 96
約数和(自身を含む): 119149056
約数和(自身を除く): 79368966

約数列:
[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 233, 271, 315, 466, 542, 630, 699, 813, 1165, 1355, 1398, 1626, 1631, 1897, 2097, 2330, 2439, 2710, 3262, 3495, 3794, 4065, 4194, 4878, 4893, 5691, 6990, 8130, 8155, 9485, 9786, 10485, 11382, 12195, 14679, 16310, 17073, 18970, 20970, 24390, 24465, 28455, 29358, 34146, 48930, 56910, 63143, 73395, 85365, 126286, 146790, 170730, 189429, 315715, 378858, 442001, 568287, 631430, 884002, 947145, 1136574, 1326003, 1894290, 2210005, 2652006, 2841435, 3978009, 4420010, 5682870, 6630015, 7956018, 13260030, 19890045, 39780090]

約数ペア:
[(1, 39780090), (2, 19890045), (3, 13260030), (5, 7956018), (6, 6630015), (7, 5682870), (9, 4420010), (10, 3978009), (14, 2841435), (15, 2652006), (18, 2210005), (21, 1894290), (30, 1326003), (35, 1136574), (42, 947145), (45, 884002), (63, 631430), (70, 568287), (90, 442001), (105, 378858), (126, 315715), (210, 189429), (233, 170730), (271, 146790), (315, 126286), (466, 85365), (542, 73395), (630, 63143), (699, 56910), (813, 48930), (1165, 34146), (1355, 29358), (1398, 28455), (1626, 24465), (1631, 24390), (1897, 20970), (2097, 18970), (2330, 17073), (2439, 16310), (2710, 14679), (3262, 12195), (3495, 11382), (3794, 10485), (4065, 9786), (4194, 9485), (4878, 8155), (4893, 8130), (5691, 6990)]

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