202128745

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:374

約数の個数: 64

約数和(自身を含む): 318689280

約数和(自身を除く): 116560535

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 103, 133, 227, 247, 455, 515, 665, 721, 1135, 1235, 1339, 1589, 1729, 1957, 2951, 3605, 4313, 6695, 7945, 8645, 9373, 9785, 13699, 14755, 20657, 21565, 23381, 25441, 30191, 46865, 56069, 68495, 103285, 116905, 127205, 150955, 163667, 178087, 280345, 303953, 392483, 444239, 818335, 890435, 1519765, 1962415, 2127671, 2221195, 3109673, 5775107, 10638355, 15548365, 28875535, 40425749, 202128745]

約数ペア:

[(1, 202128745), (5, 40425749), (7, 28875535), (13, 15548365), (19, 10638355), (35, 5775107), (65, 3109673), (91, 2221195), (95, 2127671), (103, 1962415), (133, 1519765), (227, 890435), (247, 818335), (455, 444239), (515, 392483), (665, 303953), (721, 280345), (1135, 178087), (1235, 163667), (1339, 150955), (1589, 127205), (1729, 116905), (1957, 103285), (2951, 68495), (3605, 56069), (4313, 46865), (6695, 30191), (7945, 25441), (8645, 23381), (9373, 21565), (9785, 20657), (13699, 14755)]