197514640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1091}}^1$

素因数の和:1208

約数の個数: 80

約数和(自身を含む): 480969216

約数和(自身を除く): 283454576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 73, 80, 124, 146, 155, 248, 292, 310, 365, 496, 584, 620, 730, 1091, 1168, 1240, 1460, 2182, 2263, 2480, 2920, 4364, 4526, 5455, 5840, 8728, 9052, 10910, 11315, 17456, 18104, 21820, 22630, 33821, 36208, 43640, 45260, 67642, 79643, 87280, 90520, 135284, 159286, 169105, 181040, 270568, 318572, 338210, 398215, 541136, 637144, 676420, 796430, 1274288, 1352840, 1592860, 2468933, 2705680, 3185720, 4937866, 6371440, 9875732, 12344665, 19751464, 24689330, 39502928, 49378660, 98757320, 197514640]

約数ペア:

[(1, 197514640), (2, 98757320), (4, 49378660), (5, 39502928), (8, 24689330), (10, 19751464), (16, 12344665), (20, 9875732), (31, 6371440), (40, 4937866), (62, 3185720), (73, 2705680), (80, 2468933), (124, 1592860), (146, 1352840), (155, 1274288), (248, 796430), (292, 676420), (310, 637144), (365, 541136), (496, 398215), (584, 338210), (620, 318572), (730, 270568), (1091, 181040), (1168, 169105), (1240, 159286), (1460, 135284), (2182, 90520), (2263, 87280), (2480, 79643), (2920, 67642), (4364, 45260), (4526, 43640), (5455, 36208), (5840, 33821), (8728, 22630), (9052, 21820), (10910, 18104), (11315, 17456)]