490492075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{631}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 677099520

約数和(自身を除く): 186607445

約数列:

[1, 5, 17, 25, 31, 59, 85, 155, 295, 425, 527, 631, 775, 1003, 1475, 1829, 2635, 3155, 5015, 9145, 10727, 13175, 15775, 19561, 25075, 31093, 37229, 45725, 53635, 97805, 155465, 186145, 268175, 332537, 489025, 632893, 777325, 930725, 1154099, 1662685, 3164465, 5770495, 8313425, 15822325, 19619683, 28852475, 98098415, 490492075]

約数ペア:

[(1, 490492075), (5, 98098415), (17, 28852475), (25, 19619683), (31, 15822325), (59, 8313425), (85, 5770495), (155, 3164465), (295, 1662685), (425, 1154099), (527, 930725), (631, 777325), (775, 632893), (1003, 489025), (1475, 332537), (1829, 268175), (2635, 186145), (3155, 155465), (5015, 97805), (9145, 53635), (10727, 45725), (13175, 37229), (15775, 31093), (19561, 25075)]