About the Number

38404021890

38404021889 ← → 38404021891

2進数表記:100011110001000011101101111010000010

漢数字表記:三百八十四億四百二万千八百九十

素因数分解:

2 1 × 3 1 × 5 1 × 13 1 × 19 1 × 1571 1 × 3299 1

素因数の和:4912
約数の個数: 128
約数和(自身を含む): 104582016000
約数和(自身を除く): 66177994110

約数列:
[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 1571, 2470, 3142, 3299, 3705, 4713, 6598, 7410, 7855, 9426, 9897, 15710, 16495, 19794, 20423, 23565, 29849, 32990, 40846, 42887, 47130, 49485, 59698, 61269, 62681, 85774, 89547, 98970, 102115, 122538, 125362, 128661, 149245, 179094, 188043, 204230, 214435, 257322, 298490, 306345, 313405, 376086, 388037, 428870, 447735, 612690, 626810, 643305, 776074, 814853, 895470, 940215, 1164111, 1286610, 1629706, 1880430, 1940185, 2328222, 2444559, 3880370, 4074265, 4889118, 5182729, 5820555, 8148530, 10365458, 11641110, 12222795, 15548187, 24445590, 25913645, 31096374, 51827290, 67375477, 77740935, 98471851, 134750954, 155481870, 196943702, 202126431, 295415553, 336877385, 404252862, 492359255, 590831106, 673754770, 984718510, 1010632155, 1280134063, 1477077765, 2021264310, 2560268126, 2954155530, 3840402189, 6400670315, 7680804378, 12801340630, 19202010945, 38404021890]

約数ペア:
[(1, 38404021890), (2, 19202010945), (3, 12801340630), (5, 7680804378), (6, 6400670315), (10, 3840402189), (13, 2954155530), (15, 2560268126), (19, 2021264310), (26, 1477077765), (30, 1280134063), (38, 1010632155), (39, 984718510), (57, 673754770), (65, 590831106), (78, 492359255), (95, 404252862), (114, 336877385), (130, 295415553), (190, 202126431), (195, 196943702), (247, 155481870), (285, 134750954), (390, 98471851), (494, 77740935), (570, 67375477), (741, 51827290), (1235, 31096374), (1482, 25913645), (1571, 24445590), (2470, 15548187), (3142, 12222795), (3299, 11641110), (3705, 10365458), (4713, 8148530), (6598, 5820555), (7410, 5182729), (7855, 4889118), (9426, 4074265), (9897, 3880370), (15710, 2444559), (16495, 2328222), (19794, 1940185), (20423, 1880430), (23565, 1629706), (29849, 1286610), (32990, 1164111), (40846, 940215), (42887, 895470), (47130, 814853), (49485, 776074), (59698, 643305), (61269, 626810), (62681, 612690), (85774, 447735), (89547, 428870), (98970, 388037), (102115, 376086), (122538, 313405), (125362, 306345), (128661, 298490), (149245, 257322), (179094, 214435), (188043, 204230)]

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