About the Number

1889271390

1889271389 ← → 1889271391

2進数表記:1110000100110111111111001011110

漢数字表記:十八億八千九百二十七万千三百九十

素因数分解:

2 1 × 3 1 × 5 1 × 41 1 × 53 1 × 73 1 × 397 1

素因数の和:574
約数の個数: 128
約数和(自身を含む): 4809393792
約数和(自身を除く): 2920122402

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 41, 53, 73, 82, 106, 123, 146, 159, 205, 219, 246, 265, 318, 365, 397, 410, 438, 530, 615, 730, 794, 795, 1095, 1191, 1230, 1590, 1985, 2173, 2190, 2382, 2993, 3869, 3970, 4346, 5955, 5986, 6519, 7738, 8979, 10865, 11607, 11910, 13038, 14965, 16277, 17958, 19345, 21041, 21730, 23214, 28981, 29930, 32554, 32595, 38690, 42082, 44895, 48831, 57962, 58035, 63123, 65190, 81385, 86943, 89790, 97662, 105205, 116070, 126246, 144905, 158629, 162770, 173886, 210410, 244155, 289810, 315615, 317258, 434715, 475887, 488310, 631230, 793145, 862681, 869430, 951774, 1188221, 1535993, 1586290, 1725362, 2376442, 2379435, 2588043, 3071986, 3564663, 4313405, 4607979, 4758870, 5176086, 5941105, 7129326, 7679965, 8626810, 9215958, 11882210, 12940215, 15359930, 17823315, 23039895, 25880430, 35646630, 46079790, 62975713, 125951426, 188927139, 314878565, 377854278, 629757130, 944635695, 1889271390]

約数ペア:
[(1, 1889271390), (2, 944635695), (3, 629757130), (5, 377854278), (6, 314878565), (10, 188927139), (15, 125951426), (30, 62975713), (41, 46079790), (53, 35646630), (73, 25880430), (82, 23039895), (106, 17823315), (123, 15359930), (146, 12940215), (159, 11882210), (205, 9215958), (219, 8626810), (246, 7679965), (265, 7129326), (318, 5941105), (365, 5176086), (397, 4758870), (410, 4607979), (438, 4313405), (530, 3564663), (615, 3071986), (730, 2588043), (794, 2379435), (795, 2376442), (1095, 1725362), (1191, 1586290), (1230, 1535993), (1590, 1188221), (1985, 951774), (2173, 869430), (2190, 862681), (2382, 793145), (2993, 631230), (3869, 488310), (3970, 475887), (4346, 434715), (5955, 317258), (5986, 315615), (6519, 289810), (7738, 244155), (8979, 210410), (10865, 173886), (11607, 162770), (11910, 158629), (13038, 144905), (14965, 126246), (16277, 116070), (17958, 105205), (19345, 97662), (21041, 89790), (21730, 86943), (23214, 81385), (28981, 65190), (29930, 63123), (32554, 58035), (32595, 57962), (38690, 48831), (42082, 44895)]

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