25287900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 81661440

約数和(自身を除く): 56373540

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 79, 97, 100, 110, 132, 150, 158, 165, 194, 220, 237, 275, 291, 300, 316, 330, 388, 395, 474, 485, 550, 582, 660, 790, 825, 869, 948, 970, 1067, 1100, 1164, 1185, 1455, 1580, 1650, 1738, 1940, 1975, 2134, 2370, 2425, 2607, 2910, 3201, 3300, 3476, 3950, 4268, 4345, 4740, 4850, 5214, 5335, 5820, 5925, 6402, 7275, 7663, 7900, 8690, 9700, 10428, 10670, 11850, 12804, 13035, 14550, 15326, 16005, 17380, 21340, 21725, 22989, 23700, 26070, 26675, 29100, 30652, 32010, 38315, 43450, 45978, 52140, 53350, 64020, 65175, 76630, 80025, 84293, 86900, 91956, 106700, 114945, 130350, 153260, 160050, 168586, 191575, 229890, 252879, 260700, 320100, 337172, 383150, 421465, 459780, 505758, 574725, 766300, 842930, 1011516, 1149450, 1264395, 1685860, 2107325, 2298900, 2528790, 4214650, 5057580, 6321975, 8429300, 12643950, 25287900]

約数ペア:

[(1, 25287900), (2, 12643950), (3, 8429300), (4, 6321975), (5, 5057580), (6, 4214650), (10, 2528790), (11, 2298900), (12, 2107325), (15, 1685860), (20, 1264395), (22, 1149450), (25, 1011516), (30, 842930), (33, 766300), (44, 574725), (50, 505758), (55, 459780), (60, 421465), (66, 383150), (75, 337172), (79, 320100), (97, 260700), (100, 252879), (110, 229890), (132, 191575), (150, 168586), (158, 160050), (165, 153260), (194, 130350), (220, 114945), (237, 106700), (275, 91956), (291, 86900), (300, 84293), (316, 80025), (330, 76630), (388, 65175), (395, 64020), (474, 53350), (485, 52140), (550, 45978), (582, 43450), (660, 38315), (790, 32010), (825, 30652), (869, 29100), (948, 26675), (970, 26070), (1067, 23700), (1100, 22989), (1164, 21725), (1185, 21340), (1455, 17380), (1580, 16005), (1650, 15326), (1738, 14550), (1940, 13035), (1975, 12804), (2134, 11850), (2370, 10670), (2425, 10428), (2607, 9700), (2910, 8690), (3201, 7900), (3300, 7663), (3476, 7275), (3950, 6402), (4268, 5925), (4345, 5820), (4740, 5335), (4850, 5214)]