395734375

素因数分解:

$5^6\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:123

約数の個数: 56

約数和(自身を含む): 549992960

約数和(自身を除く): 154258585

約数列:

[1, 5, 19, 25, 31, 43, 95, 125, 155, 215, 475, 589, 625, 775, 817, 1075, 1333, 2375, 2945, 3125, 3875, 4085, 5375, 6665, 11875, 14725, 15625, 19375, 20425, 25327, 26875, 33325, 59375, 73625, 96875, 102125, 126635, 134375, 166625, 296875, 368125, 484375, 510625, 633175, 671875, 833125, 1840625, 2553125, 3165875, 4165625, 9203125, 12765625, 15829375, 20828125, 79146875, 395734375]

約数ペア:

[(1, 395734375), (5, 79146875), (19, 20828125), (25, 15829375), (31, 12765625), (43, 9203125), (95, 4165625), (125, 3165875), (155, 2553125), (215, 1840625), (475, 833125), (589, 671875), (625, 633175), (775, 510625), (817, 484375), (1075, 368125), (1333, 296875), (2375, 166625), (2945, 134375), (3125, 126635), (3875, 102125), (4085, 96875), (5375, 73625), (6665, 59375), (11875, 33325), (14725, 26875), (15625, 25327), (19375, 20425)]