495301880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{21023}}^1$

素因数の和:21084

約数の個数: 64

約数和(自身を含む): 1210982400

約数和(自身を除く): 715680520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 760, 1178, 1240, 2356, 2945, 4712, 5890, 11780, 21023, 23560, 42046, 84092, 105115, 168184, 210230, 399437, 420460, 651713, 798874, 840920, 1303426, 1597748, 1997185, 2606852, 3195496, 3258565, 3994370, 5213704, 6517130, 7988740, 12382547, 13034260, 15977480, 24765094, 26068520, 49530188, 61912735, 99060376, 123825470, 247650940, 495301880]

約数ペア:

[(1, 495301880), (2, 247650940), (4, 123825470), (5, 99060376), (8, 61912735), (10, 49530188), (19, 26068520), (20, 24765094), (31, 15977480), (38, 13034260), (40, 12382547), (62, 7988740), (76, 6517130), (95, 5213704), (124, 3994370), (152, 3258565), (155, 3195496), (190, 2606852), (248, 1997185), (310, 1597748), (380, 1303426), (589, 840920), (620, 798874), (760, 651713), (1178, 420460), (1240, 399437), (2356, 210230), (2945, 168184), (4712, 105115), (5890, 84092), (11780, 42046), (21023, 23560)]