102780500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:418

約数の個数: 96

約数和(自身を含む): 244608000

約数和(自身を除く): 141827500

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 125, 155, 190, 250, 310, 349, 380, 475, 500, 589, 620, 698, 775, 950, 1178, 1396, 1550, 1745, 1900, 2356, 2375, 2945, 3100, 3490, 3875, 4750, 5890, 6631, 6980, 7750, 8725, 9500, 10819, 11780, 13262, 14725, 15500, 17450, 21638, 26524, 29450, 33155, 34900, 43276, 43625, 54095, 58900, 66310, 73625, 87250, 108190, 132620, 147250, 165775, 174500, 205561, 216380, 270475, 294500, 331550, 411122, 540950, 663100, 822244, 828875, 1027805, 1081900, 1352375, 1657750, 2055610, 2704750, 3315500, 4111220, 5139025, 5409500, 10278050, 20556100, 25695125, 51390250, 102780500]

約数ペア:

[(1, 102780500), (2, 51390250), (4, 25695125), (5, 20556100), (10, 10278050), (19, 5409500), (20, 5139025), (25, 4111220), (31, 3315500), (38, 2704750), (50, 2055610), (62, 1657750), (76, 1352375), (95, 1081900), (100, 1027805), (124, 828875), (125, 822244), (155, 663100), (190, 540950), (250, 411122), (310, 331550), (349, 294500), (380, 270475), (475, 216380), (500, 205561), (589, 174500), (620, 165775), (698, 147250), (775, 132620), (950, 108190), (1178, 87250), (1396, 73625), (1550, 66310), (1745, 58900), (1900, 54095), (2356, 43625), (2375, 43276), (2945, 34900), (3100, 33155), (3490, 29450), (3875, 26524), (4750, 21638), (5890, 17450), (6631, 15500), (6980, 14725), (7750, 13262), (8725, 11780), (9500, 10819)]