28490633475

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{941}}^1\times {\mathrm{21247}}^1$

素因数の和:22220

約数の個数: 48

約数和(自身を含む): 49638727680

約数和(自身を除く): 21148094205

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 941, 1425, 2823, 4705, 14115, 17879, 21247, 23525, 53637, 63741, 70575, 89395, 106235, 268185, 318705, 403693, 446975, 531175, 1211079, 1340925, 1593525, 2018465, 6055395, 10092325, 19993427, 30276975, 59980281, 99967135, 299901405, 379875113, 499835675, 1139625339, 1499507025, 1899375565, 5698126695, 9496877825, 28490633475]

約数ペア:

[(1, 28490633475), (3, 9496877825), (5, 5698126695), (15, 1899375565), (19, 1499507025), (25, 1139625339), (57, 499835675), (75, 379875113), (95, 299901405), (285, 99967135), (475, 59980281), (941, 30276975), (1425, 19993427), (2823, 10092325), (4705, 6055395), (14115, 2018465), (17879, 1593525), (21247, 1340925), (23525, 1211079), (53637, 531175), (63741, 446975), (70575, 403693), (89395, 318705), (106235, 268185)]