About the Number

1371440

1371439 ← → 1371441

2進数表記:101001110110100110000

漢数字表記:百三十七万千四百四十

素因数分解:

2 4 × 5 1 × 7 1 × 31 1 × 79 1

素因数の和:130
約数の個数: 80
約数和(自身を含む): 3809280
約数和(自身を除く): 2437840

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 79, 80, 112, 124, 140, 155, 158, 217, 248, 280, 310, 316, 395, 434, 496, 553, 560, 620, 632, 790, 868, 1085, 1106, 1240, 1264, 1580, 1736, 2170, 2212, 2449, 2480, 2765, 3160, 3472, 4340, 4424, 4898, 5530, 6320, 8680, 8848, 9796, 11060, 12245, 17143, 17360, 19592, 22120, 24490, 34286, 39184, 44240, 48980, 68572, 85715, 97960, 137144, 171430, 195920, 274288, 342860, 685720, 1371440]

約数ペア:
[(1, 1371440), (2, 685720), (4, 342860), (5, 274288), (7, 195920), (8, 171430), (10, 137144), (14, 97960), (16, 85715), (20, 68572), (28, 48980), (31, 44240), (35, 39184), (40, 34286), (56, 24490), (62, 22120), (70, 19592), (79, 17360), (80, 17143), (112, 12245), (124, 11060), (140, 9796), (155, 8848), (158, 8680), (217, 6320), (248, 5530), (280, 4898), (310, 4424), (316, 4340), (395, 3472), (434, 3160), (496, 2765), (553, 2480), (560, 2449), (620, 2212), (632, 2170), (790, 1736), (868, 1580), (1085, 1264), (1106, 1240)]

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