About the Number

121973220

121973219 ← → 121973221

2進数表記:111010001010010100111100100

漢数字表記:一億二千百九十七万三千二百二十

素因数分解:

2 2 × 3 2 × 5 1 × 31 1 × 21859 1

素因数の和:21905
約数の個数: 72
約数和(自身を含む): 381937920
約数和(自身を除く): 259964700

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 21859, 43718, 65577, 87436, 109295, 131154, 196731, 218590, 262308, 327885, 393462, 437180, 655770, 677629, 786924, 983655, 1311540, 1355258, 1967310, 2032887, 2710516, 3388145, 3934620, 4065774, 6098661, 6776290, 8131548, 10164435, 12197322, 13552580, 20328870, 24394644, 30493305, 40657740, 60986610, 121973220]

約数ペア:
[(1, 121973220), (2, 60986610), (3, 40657740), (4, 30493305), (5, 24394644), (6, 20328870), (9, 13552580), (10, 12197322), (12, 10164435), (15, 8131548), (18, 6776290), (20, 6098661), (30, 4065774), (31, 3934620), (36, 3388145), (45, 2710516), (60, 2032887), (62, 1967310), (90, 1355258), (93, 1311540), (124, 983655), (155, 786924), (180, 677629), (186, 655770), (279, 437180), (310, 393462), (372, 327885), (465, 262308), (558, 218590), (620, 196731), (930, 131154), (1116, 109295), (1395, 87436), (1860, 65577), (2790, 43718), (5580, 21859)]

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