2779536400

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{97871}}^1$

素因数の和:97960

約数の個数: 60

約数和(自身を含む): 6771959424

約数和(自身を除く): 3992423024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 355, 400, 568, 710, 1136, 1420, 1775, 2840, 3550, 5680, 7100, 14200, 28400, 97871, 195742, 391484, 489355, 782968, 978710, 1565936, 1957420, 2446775, 3914840, 4893550, 6948841, 7829680, 9787100, 13897682, 19574200, 27795364, 34744205, 39148400, 55590728, 69488410, 111181456, 138976820, 173721025, 277953640, 347442050, 555907280, 694884100, 1389768200, 2779536400]

約数ペア:

[(1, 2779536400), (2, 1389768200), (4, 694884100), (5, 555907280), (8, 347442050), (10, 277953640), (16, 173721025), (20, 138976820), (25, 111181456), (40, 69488410), (50, 55590728), (71, 39148400), (80, 34744205), (100, 27795364), (142, 19574200), (200, 13897682), (284, 9787100), (355, 7829680), (400, 6948841), (568, 4893550), (710, 3914840), (1136, 2446775), (1420, 1957420), (1775, 1565936), (2840, 978710), (3550, 782968), (5680, 489355), (7100, 391484), (14200, 195742), (28400, 97871)]