318662500

素因数分解:

$2^2\times 5^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:132

約数の個数: 144

約数和(自身を含む): 785480976

約数和(自身を除く): 466818476

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 37, 50, 52, 53, 65, 74, 100, 106, 125, 130, 148, 185, 212, 250, 260, 265, 325, 370, 481, 500, 530, 625, 650, 689, 740, 925, 962, 1060, 1250, 1300, 1325, 1378, 1625, 1850, 1924, 1961, 2405, 2500, 2650, 2756, 3125, 3250, 3445, 3700, 3922, 4625, 4810, 5300, 6250, 6500, 6625, 6890, 7844, 8125, 9250, 9620, 9805, 12025, 12500, 13250, 13780, 16250, 17225, 18500, 19610, 23125, 24050, 25493, 26500, 32500, 33125, 34450, 39220, 40625, 46250, 48100, 49025, 50986, 60125, 66250, 68900, 81250, 86125, 92500, 98050, 101972, 115625, 120250, 127465, 132500, 162500, 165625, 172250, 196100, 231250, 240500, 245125, 254930, 300625, 331250, 344500, 430625, 462500, 490250, 509860, 601250, 637325, 662500, 861250, 980500, 1202500, 1225625, 1274650, 1503125, 1722500, 2153125, 2451250, 2549300, 3006250, 3186625, 4306250, 4902500, 6012500, 6128125, 6373250, 8612500, 12256250, 12746500, 15933125, 24512500, 31866250, 63732500, 79665625, 159331250, 318662500]

約数ペア:

[(1, 318662500), (2, 159331250), (4, 79665625), (5, 63732500), (10, 31866250), (13, 24512500), (20, 15933125), (25, 12746500), (26, 12256250), (37, 8612500), (50, 6373250), (52, 6128125), (53, 6012500), (65, 4902500), (74, 4306250), (100, 3186625), (106, 3006250), (125, 2549300), (130, 2451250), (148, 2153125), (185, 1722500), (212, 1503125), (250, 1274650), (260, 1225625), (265, 1202500), (325, 980500), (370, 861250), (481, 662500), (500, 637325), (530, 601250), (625, 509860), (650, 490250), (689, 462500), (740, 430625), (925, 344500), (962, 331250), (1060, 300625), (1250, 254930), (1300, 245125), (1325, 240500), (1378, 231250), (1625, 196100), (1850, 172250), (1924, 165625), (1961, 162500), (2405, 132500), (2500, 127465), (2650, 120250), (2756, 115625), (3125, 101972), (3250, 98050), (3445, 92500), (3700, 86125), (3922, 81250), (4625, 68900), (4810, 66250), (5300, 60125), (6250, 50986), (6500, 49025), (6625, 48100), (6890, 46250), (7844, 40625), (8125, 39220), (9250, 34450), (9620, 33125), (9805, 32500), (12025, 26500), (12500, 25493), (13250, 24050), (13780, 23125), (16250, 19610), (17225, 18500)]