804978700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{983}}^1$

素因数の和:1447

約数の個数: 72

約数和(自身を含む): 1844881920

約数和(自身を除く): 1039903220

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 431, 475, 862, 950, 983, 1724, 1900, 1966, 2155, 3932, 4310, 4915, 8189, 8620, 9830, 10775, 16378, 18677, 19660, 21550, 24575, 32756, 37354, 40945, 43100, 49150, 74708, 81890, 93385, 98300, 163780, 186770, 204725, 373540, 409450, 423673, 466925, 818900, 847346, 933850, 1694692, 1867700, 2118365, 4236730, 8049787, 8473460, 10591825, 16099574, 21183650, 32199148, 40248935, 42367300, 80497870, 160995740, 201244675, 402489350, 804978700]

約数ペア:

[(1, 804978700), (2, 402489350), (4, 201244675), (5, 160995740), (10, 80497870), (19, 42367300), (20, 40248935), (25, 32199148), (38, 21183650), (50, 16099574), (76, 10591825), (95, 8473460), (100, 8049787), (190, 4236730), (380, 2118365), (431, 1867700), (475, 1694692), (862, 933850), (950, 847346), (983, 818900), (1724, 466925), (1900, 423673), (1966, 409450), (2155, 373540), (3932, 204725), (4310, 186770), (4915, 163780), (8189, 98300), (8620, 93385), (9830, 81890), (10775, 74708), (16378, 49150), (18677, 43100), (19660, 40945), (21550, 37354), (24575, 32756)]