About the Number

198799380

198799379 ← → 198799381

2進数表記:1011110110010111000000010100

漢数字表記:一億九千八百七十九万九千三百八十

素因数分解:

2 2 × 3 3 × 5 1 × 13 1 × 28319 1

素因数の和:28350
約数の個数: 96
約数和(自身を含む): 666086400
約数和(自身を除く): 467287020

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 3510, 7020, 28319, 56638, 84957, 113276, 141595, 169914, 254871, 283190, 339828, 368147, 424785, 509742, 566380, 736294, 764613, 849570, 1019484, 1104441, 1274355, 1472588, 1529226, 1699140, 1840735, 2208882, 2548710, 3058452, 3313323, 3681470, 3823065, 4417764, 5097420, 5522205, 6626646, 7362940, 7646130, 9939969, 11044410, 13253292, 15292260, 16566615, 19879938, 22088820, 33133230, 39759876, 49699845, 66266460, 99399690, 198799380]

約数ペア:
[(1, 198799380), (2, 99399690), (3, 66266460), (4, 49699845), (5, 39759876), (6, 33133230), (9, 22088820), (10, 19879938), (12, 16566615), (13, 15292260), (15, 13253292), (18, 11044410), (20, 9939969), (26, 7646130), (27, 7362940), (30, 6626646), (36, 5522205), (39, 5097420), (45, 4417764), (52, 3823065), (54, 3681470), (60, 3313323), (65, 3058452), (78, 2548710), (90, 2208882), (108, 1840735), (117, 1699140), (130, 1529226), (135, 1472588), (156, 1274355), (180, 1104441), (195, 1019484), (234, 849570), (260, 764613), (270, 736294), (351, 566380), (390, 509742), (468, 424785), (540, 368147), (585, 339828), (702, 283190), (780, 254871), (1170, 169914), (1404, 141595), (1755, 113276), (2340, 84957), (3510, 56638), (7020, 28319)]

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