172139100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{81971}}^1$

素因数の和:81995

約数の個数: 72

約数和(自身を含む): 569213568

約数和(自身を除く): 397074468

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 81971, 163942, 245913, 327884, 409855, 491826, 573797, 819710, 983652, 1147594, 1229565, 1639420, 1721391, 2049275, 2295188, 2459130, 2868985, 3442782, 4098550, 4918260, 5737970, 6147825, 6885564, 8197100, 8606955, 11475940, 12295650, 14344925, 17213910, 24591300, 28689850, 34427820, 43034775, 57379700, 86069550, 172139100]

約数ペア:

[(1, 172139100), (2, 86069550), (3, 57379700), (4, 43034775), (5, 34427820), (6, 28689850), (7, 24591300), (10, 17213910), (12, 14344925), (14, 12295650), (15, 11475940), (20, 8606955), (21, 8197100), (25, 6885564), (28, 6147825), (30, 5737970), (35, 4918260), (42, 4098550), (50, 3442782), (60, 2868985), (70, 2459130), (75, 2295188), (84, 2049275), (100, 1721391), (105, 1639420), (140, 1229565), (150, 1147594), (175, 983652), (210, 819710), (300, 573797), (350, 491826), (420, 409855), (525, 327884), (700, 245913), (1050, 163942), (2100, 81971)]