About the Number

138397950

138397949 ← → 138397951

2進数表記:1000001111111100100011111110

漢数字表記:一億三千八百三十九万七千九百五十

素因数分解:

2 1 × 3 3 × 5 2 × 31 1 × 3307 1

素因数の和:3359
約数の個数: 96
約数和(自身を含む): 393784320
約数和(自身を除く): 255386370

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 31, 45, 50, 54, 62, 75, 90, 93, 135, 150, 155, 186, 225, 270, 279, 310, 450, 465, 558, 675, 775, 837, 930, 1350, 1395, 1550, 1674, 2325, 2790, 3307, 4185, 4650, 6614, 6975, 8370, 9921, 13950, 16535, 19842, 20925, 29763, 33070, 41850, 49605, 59526, 82675, 89289, 99210, 102517, 148815, 165350, 178578, 205034, 248025, 297630, 307551, 446445, 496050, 512585, 615102, 744075, 892890, 922653, 1025170, 1488150, 1537755, 1845306, 2232225, 2562925, 2767959, 3075510, 4464450, 4613265, 5125850, 5535918, 7688775, 9226530, 13839795, 15377550, 23066325, 27679590, 46132650, 69198975, 138397950]

約数ペア:
[(1, 138397950), (2, 69198975), (3, 46132650), (5, 27679590), (6, 23066325), (9, 15377550), (10, 13839795), (15, 9226530), (18, 7688775), (25, 5535918), (27, 5125850), (30, 4613265), (31, 4464450), (45, 3075510), (50, 2767959), (54, 2562925), (62, 2232225), (75, 1845306), (90, 1537755), (93, 1488150), (135, 1025170), (150, 922653), (155, 892890), (186, 744075), (225, 615102), (270, 512585), (279, 496050), (310, 446445), (450, 307551), (465, 297630), (558, 248025), (675, 205034), (775, 178578), (837, 165350), (930, 148815), (1350, 102517), (1395, 99210), (1550, 89289), (1674, 82675), (2325, 59526), (2790, 49605), (3307, 41850), (4185, 33070), (4650, 29763), (6614, 20925), (6975, 19842), (8370, 16535), (9921, 13950)]

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