About the Number

380806920

380806919 ← → 380806921

2進数表記:10110101100101010011100001000

漢数字表記:三億八千八十万六千九百二十

素因数分解:

2 3 × 3 4 × 5 1 × 13 1 × 9041 1

素因数の和:9077
約数の個数: 160
約数和(自身を含む): 1378543320
約数和(自身を除く): 997736400

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 260, 270, 312, 324, 351, 360, 390, 405, 468, 520, 540, 585, 648, 702, 780, 810, 936, 1053, 1080, 1170, 1404, 1560, 1620, 1755, 2106, 2340, 2808, 3240, 3510, 4212, 4680, 5265, 7020, 8424, 9041, 10530, 14040, 18082, 21060, 27123, 36164, 42120, 45205, 54246, 72328, 81369, 90410, 108492, 117533, 135615, 162738, 180820, 216984, 235066, 244107, 271230, 325476, 352599, 361640, 406845, 470132, 488214, 542460, 587665, 650952, 705198, 732321, 813690, 940264, 976428, 1057797, 1084920, 1175330, 1220535, 1410396, 1464642, 1627380, 1762995, 1952856, 2115594, 2350660, 2441070, 2820792, 2929284, 3173391, 3254760, 3525990, 3661605, 4231188, 4701320, 4882140, 5288985, 5858568, 6346782, 7051980, 7323210, 8462376, 9520173, 9764280, 10577970, 12693564, 14103960, 14646420, 15866955, 19040346, 21155940, 25387128, 29292840, 31733910, 38080692, 42311880, 47600865, 63467820, 76161384, 95201730, 126935640, 190403460, 380806920]

約数ペア:
[(1, 380806920), (2, 190403460), (3, 126935640), (4, 95201730), (5, 76161384), (6, 63467820), (8, 47600865), (9, 42311880), (10, 38080692), (12, 31733910), (13, 29292840), (15, 25387128), (18, 21155940), (20, 19040346), (24, 15866955), (26, 14646420), (27, 14103960), (30, 12693564), (36, 10577970), (39, 9764280), (40, 9520173), (45, 8462376), (52, 7323210), (54, 7051980), (60, 6346782), (65, 5858568), (72, 5288985), (78, 4882140), (81, 4701320), (90, 4231188), (104, 3661605), (108, 3525990), (117, 3254760), (120, 3173391), (130, 2929284), (135, 2820792), (156, 2441070), (162, 2350660), (180, 2115594), (195, 1952856), (216, 1762995), (234, 1627380), (260, 1464642), (270, 1410396), (312, 1220535), (324, 1175330), (351, 1084920), (360, 1057797), (390, 976428), (405, 940264), (468, 813690), (520, 732321), (540, 705198), (585, 650952), (648, 587665), (702, 542460), (780, 488214), (810, 470132), (936, 406845), (1053, 361640), (1080, 352599), (1170, 325476), (1404, 271230), (1560, 244107), (1620, 235066), (1755, 216984), (2106, 180820), (2340, 162738), (2808, 135615), (3240, 117533), (3510, 108492), (4212, 90410), (4680, 81369), (5265, 72328), (7020, 54246), (8424, 45205), (9041, 42120), (10530, 36164), (14040, 27123), (18082, 21060)]

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