1489746400

素因数分解:

$2^5\times 5^2\times {\mathrm{139}}^1\times {\mathrm{13397}}^1$

素因数の和:13556

約数の個数: 72

約数和(自身を含む): 3663281160

約数和(自身を除く): 2173534760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 139, 160, 200, 278, 400, 556, 695, 800, 1112, 1390, 2224, 2780, 3475, 4448, 5560, 6950, 11120, 13397, 13900, 22240, 26794, 27800, 53588, 55600, 66985, 107176, 111200, 133970, 214352, 267940, 334925, 428704, 535880, 669850, 1071760, 1339700, 1862183, 2143520, 2679400, 3724366, 5358800, 7448732, 9310915, 10717600, 14897464, 18621830, 29794928, 37243660, 46554575, 59589856, 74487320, 93109150, 148974640, 186218300, 297949280, 372436600, 744873200, 1489746400]

約数ペア:

[(1, 1489746400), (2, 744873200), (4, 372436600), (5, 297949280), (8, 186218300), (10, 148974640), (16, 93109150), (20, 74487320), (25, 59589856), (32, 46554575), (40, 37243660), (50, 29794928), (80, 18621830), (100, 14897464), (139, 10717600), (160, 9310915), (200, 7448732), (278, 5358800), (400, 3724366), (556, 2679400), (695, 2143520), (800, 1862183), (1112, 1339700), (1390, 1071760), (2224, 669850), (2780, 535880), (3475, 428704), (4448, 334925), (5560, 267940), (6950, 214352), (11120, 133970), (13397, 111200), (13900, 107176), (22240, 66985), (26794, 55600), (27800, 53588)]