977809540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1\times {\mathrm{4157}}^1$

素因数の和:4804

約数の個数: 48

約数和(自身を含む): 2165486400

約数和(自身を除く): 1187676860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 619, 1238, 2476, 3095, 4157, 6190, 8314, 11761, 12380, 16628, 20785, 23522, 41570, 47044, 58805, 78983, 83140, 117610, 157966, 235220, 315932, 394915, 789830, 1579660, 2573183, 5146366, 10292732, 12865915, 25731830, 48890477, 51463660, 97780954, 195561908, 244452385, 488904770, 977809540]

約数ペア:

[(1, 977809540), (2, 488904770), (4, 244452385), (5, 195561908), (10, 97780954), (19, 51463660), (20, 48890477), (38, 25731830), (76, 12865915), (95, 10292732), (190, 5146366), (380, 2573183), (619, 1579660), (1238, 789830), (2476, 394915), (3095, 315932), (4157, 235220), (6190, 157966), (8314, 117610), (11761, 83140), (12380, 78983), (16628, 58805), (20785, 47044), (23522, 41570)]