9904700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 24425520

約数和(自身を除く): 14520820

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 401, 475, 494, 650, 802, 950, 988, 1235, 1300, 1604, 1900, 2005, 2470, 4010, 4940, 5213, 6175, 7619, 8020, 10025, 10426, 12350, 15238, 20050, 20852, 24700, 26065, 30476, 38095, 40100, 52130, 76190, 99047, 104260, 130325, 152380, 190475, 198094, 260650, 380950, 396188, 495235, 521300, 761900, 990470, 1980940, 2476175, 4952350, 9904700]

約数ペア:

[(1, 9904700), (2, 4952350), (4, 2476175), (5, 1980940), (10, 990470), (13, 761900), (19, 521300), (20, 495235), (25, 396188), (26, 380950), (38, 260650), (50, 198094), (52, 190475), (65, 152380), (76, 130325), (95, 104260), (100, 99047), (130, 76190), (190, 52130), (247, 40100), (260, 38095), (325, 30476), (380, 26065), (401, 24700), (475, 20852), (494, 20050), (650, 15238), (802, 12350), (950, 10426), (988, 10025), (1235, 8020), (1300, 7619), (1604, 6175), (1900, 5213), (2005, 4940), (2470, 4010)]