About the Number

121111890

121111889 ← → 121111891

2進数表記:111001110000000010101010010

漢数字表記:一億二千百十一万千八百九十

素因数分解:

2 1 × 3 1 × 5 1 × 19 2 × 53 1 × 211 1

素因数の和:312
約数の個数: 96
約数和(自身を含む): 314041536
約数和(自身を除く): 192929646

約数列:
[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 53, 57, 95, 106, 114, 159, 190, 211, 265, 285, 318, 361, 422, 530, 570, 633, 722, 795, 1007, 1055, 1083, 1266, 1590, 1805, 2014, 2110, 2166, 3021, 3165, 3610, 4009, 5035, 5415, 6042, 6330, 8018, 10070, 10830, 11183, 12027, 15105, 19133, 20045, 22366, 24054, 30210, 33549, 38266, 40090, 55915, 57399, 60135, 67098, 76171, 95665, 111830, 114798, 120270, 152342, 167745, 191330, 212477, 228513, 286995, 335490, 380855, 424954, 457026, 573990, 637431, 761710, 1062385, 1142565, 1274862, 2124770, 2285130, 3187155, 4037063, 6374310, 8074126, 12111189, 20185315, 24222378, 40370630, 60555945, 121111890]

約数ペア:
[(1, 121111890), (2, 60555945), (3, 40370630), (5, 24222378), (6, 20185315), (10, 12111189), (15, 8074126), (19, 6374310), (30, 4037063), (38, 3187155), (53, 2285130), (57, 2124770), (95, 1274862), (106, 1142565), (114, 1062385), (159, 761710), (190, 637431), (211, 573990), (265, 457026), (285, 424954), (318, 380855), (361, 335490), (422, 286995), (530, 228513), (570, 212477), (633, 191330), (722, 167745), (795, 152342), (1007, 120270), (1055, 114798), (1083, 111830), (1266, 95665), (1590, 76171), (1805, 67098), (2014, 60135), (2110, 57399), (2166, 55915), (3021, 40090), (3165, 38266), (3610, 33549), (4009, 30210), (5035, 24054), (5415, 22366), (6042, 20045), (6330, 19133), (8018, 15105), (10070, 12027), (10830, 11183)]

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