1900966400

素因数分解:

$2^9\times 5^2\times {\mathrm{148513}}^1$

素因数の和:148541

約数の個数: 60

約数和(自身を含む): 4709824482

約数和(自身を除く): 2808858082

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1280, 1600, 2560, 3200, 6400, 12800, 148513, 297026, 594052, 742565, 1188104, 1485130, 2376208, 2970260, 3712825, 4752416, 5940520, 7425650, 9504832, 11881040, 14851300, 19009664, 23762080, 29702600, 38019328, 47524160, 59405200, 76038656, 95048320, 118810400, 190096640, 237620800, 380193280, 475241600, 950483200, 1900966400]

約数ペア:

[(1, 1900966400), (2, 950483200), (4, 475241600), (5, 380193280), (8, 237620800), (10, 190096640), (16, 118810400), (20, 95048320), (25, 76038656), (32, 59405200), (40, 47524160), (50, 38019328), (64, 29702600), (80, 23762080), (100, 19009664), (128, 14851300), (160, 11881040), (200, 9504832), (256, 7425650), (320, 5940520), (400, 4752416), (512, 3712825), (640, 2970260), (800, 2376208), (1280, 1485130), (1600, 1188104), (2560, 742565), (3200, 594052), (6400, 297026), (12800, 148513)]