About the Number

221890890

221890889 ← → 221890891

2進数表記:1101001110011100100101001010

漢数字表記:二億二千百八十九万八百九十

素因数分解:

2 1 × 3 1 × 5 1 × 13 1 × 23 1 × 29 1 × 853 1

素因数の和:928
約数の個数: 128
約数和(自身を含む): 619799040
約数和(自身を除く): 397908150

約数列:
[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 29, 30, 39, 46, 58, 65, 69, 78, 87, 115, 130, 138, 145, 174, 195, 230, 290, 299, 345, 377, 390, 435, 598, 667, 690, 754, 853, 870, 897, 1131, 1334, 1495, 1706, 1794, 1885, 2001, 2262, 2559, 2990, 3335, 3770, 4002, 4265, 4485, 5118, 5655, 6670, 8530, 8671, 8970, 10005, 11089, 11310, 12795, 17342, 19619, 20010, 22178, 24737, 25590, 26013, 33267, 39238, 43355, 49474, 52026, 55445, 58857, 66534, 74211, 86710, 98095, 110890, 117714, 123685, 130065, 148422, 166335, 196190, 247370, 255047, 260130, 294285, 321581, 332670, 371055, 510094, 568951, 588570, 643162, 742110, 765141, 964743, 1137902, 1275235, 1530282, 1607905, 1706853, 1929486, 2550470, 2844755, 3215810, 3413706, 3825705, 4823715, 5689510, 7396363, 7651410, 8534265, 9647430, 14792726, 17068530, 22189089, 36981815, 44378178, 73963630, 110945445, 221890890]

約数ペア:
[(1, 221890890), (2, 110945445), (3, 73963630), (5, 44378178), (6, 36981815), (10, 22189089), (13, 17068530), (15, 14792726), (23, 9647430), (26, 8534265), (29, 7651410), (30, 7396363), (39, 5689510), (46, 4823715), (58, 3825705), (65, 3413706), (69, 3215810), (78, 2844755), (87, 2550470), (115, 1929486), (130, 1706853), (138, 1607905), (145, 1530282), (174, 1275235), (195, 1137902), (230, 964743), (290, 765141), (299, 742110), (345, 643162), (377, 588570), (390, 568951), (435, 510094), (598, 371055), (667, 332670), (690, 321581), (754, 294285), (853, 260130), (870, 255047), (897, 247370), (1131, 196190), (1334, 166335), (1495, 148422), (1706, 130065), (1794, 123685), (1885, 117714), (2001, 110890), (2262, 98095), (2559, 86710), (2990, 74211), (3335, 66534), (3770, 58857), (4002, 55445), (4265, 52026), (4485, 49474), (5118, 43355), (5655, 39238), (6670, 33267), (8530, 26013), (8671, 25590), (8970, 24737), (10005, 22178), (11089, 20010), (11310, 19619), (12795, 17342)]

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