99778700

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{2909}}^1$

素因数の和:2944

約数の個数: 72

約数和(自身を含む): 252588000

約数和(自身を除く): 152809300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 343, 350, 490, 686, 700, 980, 1225, 1372, 1715, 2450, 2909, 3430, 4900, 5818, 6860, 8575, 11636, 14545, 17150, 20363, 29090, 34300, 40726, 58180, 72725, 81452, 101815, 142541, 145450, 203630, 285082, 290900, 407260, 509075, 570164, 712705, 997787, 1018150, 1425410, 1995574, 2036300, 2850820, 3563525, 3991148, 4988935, 7127050, 9977870, 14254100, 19955740, 24944675, 49889350, 99778700]

約数ペア:

[(1, 99778700), (2, 49889350), (4, 24944675), (5, 19955740), (7, 14254100), (10, 9977870), (14, 7127050), (20, 4988935), (25, 3991148), (28, 3563525), (35, 2850820), (49, 2036300), (50, 1995574), (70, 1425410), (98, 1018150), (100, 997787), (140, 712705), (175, 570164), (196, 509075), (245, 407260), (343, 290900), (350, 285082), (490, 203630), (686, 145450), (700, 142541), (980, 101815), (1225, 81452), (1372, 72725), (1715, 58180), (2450, 40726), (2909, 34300), (3430, 29090), (4900, 20363), (5818, 17150), (6860, 14545), (8575, 11636)]