About the Number

138380208

138380207 ← → 138380209

2進数表記:1000001111111000001110110000

漢数字表記:一億三千八百三十八万二百八

素因数分解:

2 4 × 3 1 × 61 1 × 167 1 × 283 1

素因数の和:522
約数の個数: 80
約数和(自身を含む): 366809856
約数和(自身を除く): 228429648

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 167, 183, 244, 283, 334, 366, 488, 501, 566, 668, 732, 849, 976, 1002, 1132, 1336, 1464, 1698, 2004, 2264, 2672, 2928, 3396, 4008, 4528, 6792, 8016, 10187, 13584, 17263, 20374, 30561, 34526, 40748, 47261, 51789, 61122, 69052, 81496, 94522, 103578, 122244, 138104, 141783, 162992, 189044, 207156, 244488, 276208, 283566, 378088, 414312, 488976, 567132, 756176, 828624, 1134264, 2268528, 2882921, 5765842, 8648763, 11531684, 17297526, 23063368, 34595052, 46126736, 69190104, 138380208]

約数ペア:
[(1, 138380208), (2, 69190104), (3, 46126736), (4, 34595052), (6, 23063368), (8, 17297526), (12, 11531684), (16, 8648763), (24, 5765842), (48, 2882921), (61, 2268528), (122, 1134264), (167, 828624), (183, 756176), (244, 567132), (283, 488976), (334, 414312), (366, 378088), (488, 283566), (501, 276208), (566, 244488), (668, 207156), (732, 189044), (849, 162992), (976, 141783), (1002, 138104), (1132, 122244), (1336, 103578), (1464, 94522), (1698, 81496), (2004, 69052), (2264, 61122), (2672, 51789), (2928, 47261), (3396, 40748), (4008, 34526), (4528, 30561), (6792, 20374), (8016, 17263), (10187, 13584)]

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