About the Number

238771890

238771889 ← → 238771891

2進数表記:1110001110110101111010110010

漢数字表記:二億三千八百七十七万千八百九十

素因数分解:

2 1 × 3 2 × 5 1 × 7 1 × 53 1 × 7151 1

素因数の和:7224
約数の個数: 96
約数和(自身を含む): 722981376
約数和(自身を除く): 484209486

約数列:
[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 53, 63, 70, 90, 105, 106, 126, 159, 210, 265, 315, 318, 371, 477, 530, 630, 742, 795, 954, 1113, 1590, 1855, 2226, 2385, 3339, 3710, 4770, 5565, 6678, 7151, 11130, 14302, 16695, 21453, 33390, 35755, 42906, 50057, 64359, 71510, 100114, 107265, 128718, 150171, 214530, 250285, 300342, 321795, 379003, 450513, 500570, 643590, 750855, 758006, 901026, 1137009, 1501710, 1895015, 2252565, 2274018, 2653021, 3411027, 3790030, 4505130, 5306042, 5685045, 6822054, 7959063, 11370090, 13265105, 15918126, 17055135, 23877189, 26530210, 34110270, 39795315, 47754378, 79590630, 119385945, 238771890]

約数ペア:
[(1, 238771890), (2, 119385945), (3, 79590630), (5, 47754378), (6, 39795315), (7, 34110270), (9, 26530210), (10, 23877189), (14, 17055135), (15, 15918126), (18, 13265105), (21, 11370090), (30, 7959063), (35, 6822054), (42, 5685045), (45, 5306042), (53, 4505130), (63, 3790030), (70, 3411027), (90, 2653021), (105, 2274018), (106, 2252565), (126, 1895015), (159, 1501710), (210, 1137009), (265, 901026), (315, 758006), (318, 750855), (371, 643590), (477, 500570), (530, 450513), (630, 379003), (742, 321795), (795, 300342), (954, 250285), (1113, 214530), (1590, 150171), (1855, 128718), (2226, 107265), (2385, 100114), (3339, 71510), (3710, 64359), (4770, 50057), (5565, 42906), (6678, 35755), (7151, 33390), (11130, 21453), (14302, 16695)]

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