164020690

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 317260800

約数和(自身を除く): 153240110

約数列:

[1, 2, 5, 10, 31, 53, 62, 67, 106, 134, 149, 155, 265, 298, 310, 335, 530, 670, 745, 1490, 1643, 2077, 3286, 3551, 4154, 4619, 7102, 7897, 8215, 9238, 9983, 10385, 15794, 16430, 17755, 19966, 20770, 23095, 35510, 39485, 46190, 49915, 78970, 99830, 110081, 220162, 244807, 309473, 489614, 529099, 550405, 618946, 1058198, 1100810, 1224035, 1547365, 2448070, 2645495, 3094730, 5290990, 16402069, 32804138, 82010345, 164020690]

約数ペア:

[(1, 164020690), (2, 82010345), (5, 32804138), (10, 16402069), (31, 5290990), (53, 3094730), (62, 2645495), (67, 2448070), (106, 1547365), (134, 1224035), (149, 1100810), (155, 1058198), (265, 618946), (298, 550405), (310, 529099), (335, 489614), (530, 309473), (670, 244807), (745, 220162), (1490, 110081), (1643, 99830), (2077, 78970), (3286, 49915), (3551, 46190), (4154, 39485), (4619, 35510), (7102, 23095), (7897, 20770), (8215, 19966), (9238, 17755), (9983, 16430), (10385, 15794)]