86728040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{44249}}^1$

素因数の和:44274

約数の個数: 48

約数和(自身を含む): 227002500

約数和(自身を除く): 140274460

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 44249, 88498, 176996, 221245, 309743, 353992, 442490, 619486, 884980, 1238972, 1548715, 1769960, 2168201, 2477944, 3097430, 4336402, 6194860, 8672804, 10841005, 12389720, 17345608, 21682010, 43364020, 86728040]

約数ペア:

[(1, 86728040), (2, 43364020), (4, 21682010), (5, 17345608), (7, 12389720), (8, 10841005), (10, 8672804), (14, 6194860), (20, 4336402), (28, 3097430), (35, 2477944), (40, 2168201), (49, 1769960), (56, 1548715), (70, 1238972), (98, 884980), (140, 619486), (196, 442490), (245, 353992), (280, 309743), (392, 221245), (490, 176996), (980, 88498), (1960, 44249)]