About the Number

1247444940

1247444939 ← → 1247444941

2進数表記:1001010010110100111111111001100

漢数字表記:十二億四千七百四十四万四千九百四十

素因数分解:

2 2 × 3 1 × 5 1 × 7 2 × 101 1 × 4201 1

素因数の和:4328
約数の個数: 144
約数和(自身を含む): 4104311904
約数和(自身を除く): 2856866964

約数列:
[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 101, 105, 140, 147, 196, 202, 210, 245, 294, 303, 404, 420, 490, 505, 588, 606, 707, 735, 980, 1010, 1212, 1414, 1470, 1515, 2020, 2121, 2828, 2940, 3030, 3535, 4201, 4242, 4949, 6060, 7070, 8402, 8484, 9898, 10605, 12603, 14140, 14847, 16804, 19796, 21005, 21210, 24745, 25206, 29407, 29694, 42010, 42420, 49490, 50412, 58814, 59388, 63015, 74235, 84020, 88221, 98980, 117628, 126030, 147035, 148470, 176442, 205849, 252060, 294070, 296940, 352884, 411698, 424301, 441105, 588140, 617547, 823396, 848602, 882210, 1029245, 1235094, 1272903, 1697204, 1764420, 2058490, 2121505, 2470188, 2545806, 2970107, 3087735, 4116980, 4243010, 5091612, 5940214, 6175470, 6364515, 8486020, 8910321, 11880428, 12350940, 12729030, 14850535, 17820642, 20790749, 25458060, 29701070, 35641284, 41581498, 44551605, 59402140, 62372247, 83162996, 89103210, 103953745, 124744494, 178206420, 207907490, 249488988, 311861235, 415814980, 623722470, 1247444940]

約数ペア:
[(1, 1247444940), (2, 623722470), (3, 415814980), (4, 311861235), (5, 249488988), (6, 207907490), (7, 178206420), (10, 124744494), (12, 103953745), (14, 89103210), (15, 83162996), (20, 62372247), (21, 59402140), (28, 44551605), (30, 41581498), (35, 35641284), (42, 29701070), (49, 25458060), (60, 20790749), (70, 17820642), (84, 14850535), (98, 12729030), (101, 12350940), (105, 11880428), (140, 8910321), (147, 8486020), (196, 6364515), (202, 6175470), (210, 5940214), (245, 5091612), (294, 4243010), (303, 4116980), (404, 3087735), (420, 2970107), (490, 2545806), (505, 2470188), (588, 2121505), (606, 2058490), (707, 1764420), (735, 1697204), (980, 1272903), (1010, 1235094), (1212, 1029245), (1414, 882210), (1470, 848602), (1515, 823396), (2020, 617547), (2121, 588140), (2828, 441105), (2940, 424301), (3030, 411698), (3535, 352884), (4201, 296940), (4242, 294070), (4949, 252060), (6060, 205849), (7070, 176442), (8402, 148470), (8484, 147035), (9898, 126030), (10605, 117628), (12603, 98980), (14140, 88221), (14847, 84020), (16804, 74235), (19796, 63015), (21005, 59388), (21210, 58814), (24745, 50412), (25206, 49490), (29407, 42420), (29694, 42010)]

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