16908220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 96

約数和(自身を含む): 43545600

約数和(自身を除く): 26637380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 59, 70, 89, 92, 115, 118, 140, 161, 178, 230, 236, 295, 322, 356, 413, 445, 460, 590, 623, 644, 805, 826, 890, 1180, 1246, 1357, 1610, 1652, 1780, 2047, 2065, 2492, 2714, 3115, 3220, 4094, 4130, 5251, 5428, 6230, 6785, 8188, 8260, 9499, 10235, 10502, 12460, 13570, 14329, 18998, 20470, 21004, 26255, 27140, 28658, 36757, 37996, 40940, 47495, 52510, 57316, 71645, 73514, 94990, 105020, 120773, 143290, 147028, 183785, 189980, 241546, 286580, 367570, 483092, 603865, 735140, 845411, 1207730, 1690822, 2415460, 3381644, 4227055, 8454110, 16908220]

約数ペア:

[(1, 16908220), (2, 8454110), (4, 4227055), (5, 3381644), (7, 2415460), (10, 1690822), (14, 1207730), (20, 845411), (23, 735140), (28, 603865), (35, 483092), (46, 367570), (59, 286580), (70, 241546), (89, 189980), (92, 183785), (115, 147028), (118, 143290), (140, 120773), (161, 105020), (178, 94990), (230, 73514), (236, 71645), (295, 57316), (322, 52510), (356, 47495), (413, 40940), (445, 37996), (460, 36757), (590, 28658), (623, 27140), (644, 26255), (805, 21004), (826, 20470), (890, 18998), (1180, 14329), (1246, 13570), (1357, 12460), (1610, 10502), (1652, 10235), (1780, 9499), (2047, 8260), (2065, 8188), (2492, 6785), (2714, 6230), (3115, 5428), (3220, 5251), (4094, 4130)]