About the Number

1389056480

1389056479 ← → 1389056481

2進数表記:1010010110010110101000111100000

漢数字表記:十三億八千九百五万六千四百八十

素因数分解:

2 5 × 5 1 × 7 1 × 23 1 × 53923 1

素因数の和:53968
約数の個数: 96
約数和(自身を含む): 3913588224
約数和(自身を除く): 2524531744

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1120, 1288, 1610, 1840, 2576, 3220, 3680, 5152, 6440, 12880, 25760, 53923, 107846, 215692, 269615, 377461, 431384, 539230, 754922, 862768, 1078460, 1240229, 1509844, 1725536, 1887305, 2156920, 2480458, 3019688, 3774610, 4313840, 4960916, 6039376, 6201145, 7549220, 8627680, 8681603, 9921832, 12078752, 12402290, 15098440, 17363206, 19843664, 24804580, 30196880, 34726412, 39687328, 43408015, 49609160, 60393760, 69452824, 86816030, 99218320, 138905648, 173632060, 198436640, 277811296, 347264120, 694528240, 1389056480]

約数ペア:
[(1, 1389056480), (2, 694528240), (4, 347264120), (5, 277811296), (7, 198436640), (8, 173632060), (10, 138905648), (14, 99218320), (16, 86816030), (20, 69452824), (23, 60393760), (28, 49609160), (32, 43408015), (35, 39687328), (40, 34726412), (46, 30196880), (56, 24804580), (70, 19843664), (80, 17363206), (92, 15098440), (112, 12402290), (115, 12078752), (140, 9921832), (160, 8681603), (161, 8627680), (184, 7549220), (224, 6201145), (230, 6039376), (280, 4960916), (322, 4313840), (368, 3774610), (460, 3019688), (560, 2480458), (644, 2156920), (736, 1887305), (805, 1725536), (920, 1509844), (1120, 1240229), (1288, 1078460), (1610, 862768), (1840, 754922), (2576, 539230), (3220, 431384), (3680, 377461), (5152, 269615), (6440, 215692), (12880, 107846), (25760, 53923)]

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