199543900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1091}}^1$

素因数の和:1195

約数の個数: 72

約数和(自身を含む): 454970880

約数和(自身を除く): 255426980

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 59, 62, 100, 118, 124, 155, 236, 295, 310, 590, 620, 775, 1091, 1180, 1475, 1550, 1829, 2182, 2950, 3100, 3658, 4364, 5455, 5900, 7316, 9145, 10910, 18290, 21820, 27275, 33821, 36580, 45725, 54550, 64369, 67642, 91450, 109100, 128738, 135284, 169105, 182900, 257476, 321845, 338210, 643690, 676420, 845525, 1287380, 1609225, 1691050, 1995439, 3218450, 3382100, 3990878, 6436900, 7981756, 9977195, 19954390, 39908780, 49885975, 99771950, 199543900]

約数ペア:

[(1, 199543900), (2, 99771950), (4, 49885975), (5, 39908780), (10, 19954390), (20, 9977195), (25, 7981756), (31, 6436900), (50, 3990878), (59, 3382100), (62, 3218450), (100, 1995439), (118, 1691050), (124, 1609225), (155, 1287380), (236, 845525), (295, 676420), (310, 643690), (590, 338210), (620, 321845), (775, 257476), (1091, 182900), (1180, 169105), (1475, 135284), (1550, 128738), (1829, 109100), (2182, 91450), (2950, 67642), (3100, 64369), (3658, 54550), (4364, 45725), (5455, 36580), (5900, 33821), (7316, 27275), (9145, 21820), (10910, 18290)]